Add BSD false(1) and true(1).

Bug: 17000769
Change-Id: I6b218b4c2ba3f57d344f60af7a25c45f07091d64
diff --git a/toolbox/Android.mk b/toolbox/Android.mk
index d8d397e..7344040 100644
--- a/toolbox/Android.mk
+++ b/toolbox/Android.mk
@@ -52,6 +52,13 @@
 include $(BUILD_STATIC_LIBRARY)
 
 include $(CLEAR_VARS)
+LOCAL_SRC_FILES := upstream-freebsd/usr.bin/false/false.c
+LOCAL_CFLAGS += $(common_cflags) -Dmain=false_main
+LOCAL_MODULE := libtoolbox_false
+LOCAL_ADDITIONAL_DEPENDENCIES += $(LOCAL_PATH)/Android.mk
+include $(BUILD_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
 LOCAL_SRC_FILES := \
     upstream-netbsd/usr.bin/grep/fastgrep.c \
     upstream-netbsd/usr.bin/grep/file.c \
@@ -119,6 +126,13 @@
 LOCAL_ADDITIONAL_DEPENDENCIES += $(LOCAL_PATH)/Android.mk
 include $(BUILD_STATIC_LIBRARY)
 
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := upstream-freebsd/usr.bin/true/true.c
+LOCAL_CFLAGS += $(common_cflags) -Dmain=true_main
+LOCAL_MODULE := libtoolbox_true
+LOCAL_ADDITIONAL_DEPENDENCIES += $(LOCAL_PATH)/Android.mk
+include $(BUILD_STATIC_LIBRARY)
+
 
 include $(CLEAR_VARS)
 
@@ -128,6 +142,7 @@
     cp \
     dd \
     du \
+    false \
     grep \
     kill \
     ln \
@@ -137,6 +152,7 @@
     rmdir \
     sleep \
     sync \
+    true \
 
 OUR_TOOLS := \
     chcon \
@@ -246,8 +262,7 @@
 $(TOOLS_H):
 	$(transform-generated-source)
 
-# Make #!/system/bin/toolbox launchers for each tool.
-#
+# Make symbolic link launchers for each tool.
 SYMLINKS := $(addprefix $(TARGET_OUT)/bin/,$(ALL_TOOLS))
 $(SYMLINKS): TOOLBOX_BINARY := $(LOCAL_MODULE)
 $(SYMLINKS): $(LOCAL_INSTALLED_MODULE) $(LOCAL_PATH)/Android.mk
diff --git a/toolbox/upstream-freebsd/usr.bin/false/false.c b/toolbox/upstream-freebsd/usr.bin/false/false.c
new file mode 100644
index 0000000..99948bc
--- /dev/null
+++ b/toolbox/upstream-freebsd/usr.bin/false/false.c
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 1988, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static const char copyright[] =
+"@(#) Copyright (c) 1988, 1993\n\
+	The Regents of the University of California.  All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static const char sccsid[] = "@(#)false.c	8.1 (Berkeley) 6/6/93";
+#endif /* not lint */
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+int
+main(void)
+{
+	return 1;
+}
diff --git a/toolbox/upstream-freebsd/usr.bin/true/true.c b/toolbox/upstream-freebsd/usr.bin/true/true.c
new file mode 100644
index 0000000..a557f58
--- /dev/null
+++ b/toolbox/upstream-freebsd/usr.bin/true/true.c
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 1988, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef lint
+static const char copyright[] =
+"@(#) Copyright (c) 1988, 1993\n\
+	The Regents of the University of California.  All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static const char sccsid[] = "@(#)true.c	8.1 (Berkeley) 6/9/93";
+#endif /* not lint */
+
+int
+main(void)
+{
+	return 0;
+}