Merge "Silence warnings about using offsetof on near-POD structs." into master-skia

https://skia.googlesource.com/skia/+/24ad096

Change-Id: If7bd992905da096c98e415c3da88949ca4069d9d
diff --git a/dm/Android.mk b/dm/Android.mk
index acbaaad..ed8a509 100644
--- a/dm/Android.mk
+++ b/dm/Android.mk
@@ -12,6 +12,9 @@
 	-U_FORTIFY_SOURCE \
 	-D_FORTIFY_SOURCE=1
 
+LOCAL_CPPFLAGS := \
+	-Wno-invalid-offsetof
+
 LOCAL_SRC_FILES := \
 	DM.cpp \
 	DMBenchTask.cpp \