Update :imagepipeline to use clang
Summary: Changes `:imagepipeline` to use clang in order to work with newer NDKs that deprecate good-old g++
@@ -12,7 +12,7 @@ APP_STL := gnustl_static
# Make sure every shared lib includes a .note.gnu.build-id header
APP_LDFLAGS := -Wl,--build-id
-NDK_TOOLCHAIN_VERSION := 4.9
+NDK_TOOLCHAIN_VERSION := clang
# We link our libs with static stl implementation. Because of that we need to
