Revert "move libandroidfw to frameworks/native"

This reverts commit 84b6292c33d71b5739828d08aa8101d1954577f2.
diff --git a/libs/androidfw/tests/Android.mk b/libs/androidfw/tests/Android.mk
new file mode 100644
index 0000000..c8e3f2b
--- /dev/null
+++ b/libs/androidfw/tests/Android.mk
@@ -0,0 +1,32 @@
+# Build the unit tests.
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+# Build the unit tests.
+test_src_files := \
+    BackupData_test.cpp \
+    ObbFile_test.cpp \
+    ZipFileRO_test.cpp
+
+shared_libraries := \
+    libandroidfw \
+    libcutils \
+    libutils \
+    libui \
+    libstlport
+
+static_libraries := \
+    libgtest \
+    libgtest_main
+
+$(foreach file,$(test_src_files), \
+    $(eval include $(CLEAR_VARS)) \
+    $(eval LOCAL_SHARED_LIBRARIES := $(shared_libraries)) \
+    $(eval LOCAL_STATIC_LIBRARIES := $(static_libraries)) \
+    $(eval LOCAL_SRC_FILES := $(file)) \
+    $(eval LOCAL_MODULE := $(notdir $(file:%.cpp=%))) \
+    $(eval include $(BUILD_NATIVE_TEST)) \
+)
+
+# Build the manual test programs.
+include $(call all-makefiles-under, $(LOCAL_PATH))