libcameraservice: build 64-bit

libcameraservice builds fine for 64-bit, remove LOCAL_32_BIT_ONLY

Change-Id: I9f28bc42dc424dee9b92e6ab092f86d3aa1419b7
diff --git a/services/camera/libcameraservice/Android.mk b/services/camera/libcameraservice/Android.mk
index 4352b17..51ba698 100644
--- a/services/camera/libcameraservice/Android.mk
+++ b/services/camera/libcameraservice/Android.mk
@@ -59,6 +59,5 @@
 LOCAL_CFLAGS += -Wall -Wextra
 
 LOCAL_MODULE:= libcameraservice
-LOCAL_32_BIT_ONLY := true
 
 include $(BUILD_SHARED_LIBRARY)