Don't apply clang flag to gcc builds.
For whatever reason GCC doesn't fail the build on unknown flags unless
there is also a warning emitted. Since we're now deprecating
UniquePtr, the warning is thrown here and the build fails (despite not
being -Werror).
Bug: http://b/22403888
Change-Id: I4af7911a51f7af9aa47a596a76f3e9d79535585b
diff --git a/core/jni/Android.mk b/core/jni/Android.mk
index 47b2f3b..4c68e01 100644
--- a/core/jni/Android.mk
+++ b/core/jni/Android.mk
@@ -273,7 +273,7 @@
# -Wno-c++11-extensions: Clang warns about Skia using the C++11 override keyword, but this project
# is not being compiled with that level. Remove once this has changed.
-LOCAL_CFLAGS += -Wno-c++11-extensions
+LOCAL_CLANG_CFLAGS += -Wno-c++11-extensions
# b/22414716: thread_local (android/graphics/Paint.cpp) and Clang don't like each other at the
# moment.