Android: disable warnings causing errors

AOSP master has changed the build default to -Werror making all the
warnings errors. Override that with -Wno-error.

Signed-off-by: Rob Herring <robh@kernel.org>

Android.common.mk

@@ -31,6 +31,7 @@ LOCAL_C_INCLUDES += \
 
 MESA_VERSION := $(shell cat $(MESA_TOP)/VERSION)
 LOCAL_CFLAGS += \
+	-Wno-error \
 	-Wno-unused-parameter \
 	-Wno-pointer-arith \
 	-Wno-missing-field-initializers \