mediaserver and associated services are 32-bit only

also 32-bit only command-line apps

Change-Id: I9ac557a8d02bbf6986a9b5c3cdce23d400b306a3
diff --git a/media/mediaserver/Android.mk b/media/mediaserver/Android.mk
index 1ac647a..d07bc99 100644
--- a/media/mediaserver/Android.mk
+++ b/media/mediaserver/Android.mk
@@ -35,5 +35,6 @@
     frameworks/av/services/camera/libcameraservice
 
 LOCAL_MODULE:= mediaserver
+LOCAL_32_BIT_ONLY := true
 
 include $(BUILD_EXECUTABLE)