Use -Werror in frameworks/base/media/mca/filterfw

Bug: 66996870
Test: build with WITH_TIDY=1
Change-Id: I12137a0b40357954af63bac3771332773b03da9a

media/mca/filterfw/Android.mk

@@ -26,6 +26,8 @@ LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 
 LOCAL_MODULE := libfilterfw
 
+LOCAL_CFLAGS := -Wall -Werror
+
 LOCAL_MODULE_TAGS := optional
 
 LOCAL_WHOLE_STATIC_LIBRARIES := libfilterfw_jni \