Enable integer overflow sanitization in libmedia

Change-Id: I138a02abca792af35001058ce17412bdf69fec92
diff --git a/media/libmedia/Android.mk b/media/libmedia/Android.mk
index a3c3d3c..be88aa0 100644
--- a/media/libmedia/Android.mk
+++ b/media/libmedia/Android.mk
@@ -89,6 +89,7 @@
 
 LOCAL_CFLAGS += -Werror -Wno-error=deprecated-declarations -Wall
 LOCAL_CLANG := true
+LOCAL_SANITIZE := unsigned-integer-overflow signed-integer-overflow
 
 include $(BUILD_SHARED_LIBRARY)