mediaserver and associated services are 32-bit only

also 32-bit only command-line apps

Change-Id: I9ac557a8d02bbf6986a9b5c3cdce23d400b306a3
diff --git a/services/camera/libcameraservice/Android.mk b/services/camera/libcameraservice/Android.mk
index 51ba698..4352b17 100644
--- a/services/camera/libcameraservice/Android.mk
+++ b/services/camera/libcameraservice/Android.mk
@@ -59,5 +59,6 @@
 LOCAL_CFLAGS += -Wall -Wextra
 
 LOCAL_MODULE:= libcameraservice
+LOCAL_32_BIT_ONLY := true
 
 include $(BUILD_SHARED_LIBRARY)