Fix the improper use of LOCAL_WHOLE_STATIC_LIBRARIES.

If two libraries both use LOCAL_WHOLE_STATIC_LIBRARIES and include a same
library, there would be linking errors when generating a shared library
(or executable) that depends on the two libraries both.

Also clean up Android.mk files.

Remove the "LOCAL_MODULE_TAGS := eng" line for the updater module. The
module will then default to "optional" which won't be built until needed.

Change-Id: I3ec227109b8aa744b7568e7f82f575aae3fe0e6f
diff --git a/otafault/Android.mk b/otafault/Android.mk
index 7468de6..52d7067 100644
--- a/otafault/Android.mk
+++ b/otafault/Android.mk
@@ -14,29 +14,34 @@
 
 LOCAL_PATH := $(call my-dir)
 
+# otafault (static library)
+# ===============================
 include $(CLEAR_VARS)
 
 otafault_static_libs := \
     libminzip \
-    libz \
     libselinux \
+    libz
 
 LOCAL_SRC_FILES := config.cpp ota_io.cpp
-LOCAL_MODULE_TAGS := eng
 LOCAL_MODULE := libotafault
 LOCAL_CLANG := true
 LOCAL_C_INCLUDES := bootable/recovery
 LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
-LOCAL_WHOLE_STATIC_LIBRARIES := $(otafault_static_libs)
+LOCAL_STATIC_LIBRARIES := $(otafault_static_libs)
 
 include $(BUILD_STATIC_LIBRARY)
 
+# otafault_test (static executable)
+# ===============================
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES := config.cpp ota_io.cpp test.cpp
 LOCAL_MODULE_TAGS := tests
 LOCAL_MODULE := otafault_test
-LOCAL_STATIC_LIBRARIES := $(otafault_static_libs)
+LOCAL_STATIC_LIBRARIES := \
+    libotafault \
+    $(otafault_static_libs)
 LOCAL_C_INCLUDES := bootable/recovery
 LOCAL_FORCE_STATIC_EXECUTABLE := true