Disable pipe for bitmapfilters gm on Android.

Until I can investigate why the test is broken.

Review URL: https://codereview.appspot.com/6357045

git-svn-id: http://skia.googlecode.com/svn/trunk@4395 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/bitmapfilters.cpp b/gm/bitmapfilters.cpp
index 92c7b43..3b563dd 100644
--- a/gm/bitmapfilters.cpp
+++ b/gm/bitmapfilters.cpp
@@ -101,6 +101,12 @@
         return SkString("bitmapfilters");
     }
 
+#ifdef SK_BUILD_FOR_ANDROID
+    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+        return this->INHERITED::onGetFlags() | GM::kSkipPipe_Flag;
+    }
+#endif
+
 	virtual SkISize onISize() {
         return make_isize(540, 330);
     }