Turn on don't-reuse-scratch-textures for all Android devices

https://codereview.chromium.org/54493005/



git-svn-id: http://skia.googlecode.com/svn/trunk/src@12069 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/gl/GrGLCaps.cpp b/gpu/gl/GrGLCaps.cpp
index 60c0dfa..a2bad9a 100644
--- a/gpu/gl/GrGLCaps.cpp
+++ b/gpu/gl/GrGLCaps.cpp
@@ -312,7 +312,11 @@
                             ctxInfo.hasExtension("GL_NV_path_rendering");
 
     fDstReadInShaderSupport = kNone_FBFetchType != fFBFetchType;
+#ifdef SK_BUILD_FOR_ANDROID
+    fReuseScratchTextures = true;
+#else
     fReuseScratchTextures = kARM_GrGLVendor != ctxInfo.vendor();
+#endif
 
     // Enable supported shader-related caps
     if (kDesktop_GrGLBinding == binding) {