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>
diff --git a/Android.common.mk b/Android.common.mk
index d487acb..e3de106 100644
--- a/Android.common.mk
+++ b/Android.common.mk
@@ -5,6 +5,7 @@
 	-DHAVE_LIBDRM_ATOMIC_PRIMITIVES=1
 
 LOCAL_CFLAGS += \
+	-Wno-error \
 	-Wno-unused-parameter \
 	-Wno-missing-field-initializers \
 	-Wno-pointer-arith \