Temporarily disable tiling another GM that produces errors with the existing 64-bit ARM toolchain.

BUG=skia:2908

Review URL: https://codereview.chromium.org/537343003
diff --git a/gm/filterindiabox.cpp b/gm/filterindiabox.cpp
index 405c659..a29f08b 100644
--- a/gm/filterindiabox.cpp
+++ b/gm/filterindiabox.cpp
@@ -75,6 +75,13 @@
         return fName;
     }
 
+#ifdef SK_CPU_ARM64
+    // Skip tiled drawing on 64-bit ARM until https://skbug.com/2908 is fixed.
+    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+        return kSkipTiled_Flag;
+    }
+#endif
+
     virtual SkISize onISize() SK_OVERRIDE {
         return SkISize::Make(1024, 768);
     }