NDK_TOOLCHAIN_VERSION := 4.9
APP_MODULES := c++_shared servojni gstreamer
APP_PLATFORM := android-18
APP_STL:= c++_shared
APP_ABI:= armeabi-v7a x86

NDK_TOOLCHAIN_VERSION := clang
APP_MODULES := c++_shared servojni gstreamer
APP_PLATFORM := android-18
APP_STL:= c++_shared
APP_ABI:= armeabi-v7a x86

Set android toolchain version correctly.
Set android toolchain version correctly.