Recognize that ES3 supports texture storage. Add workaround for apparent Adreno bug.

R=robertphillips@google.com

Author: bsalomon@google.com

Review URL: https://chromiumcodereview.appspot.com/22856006

git-svn-id: http://skia.googlecode.com/svn/trunk@10845 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/gl/GrGLUtil.h b/src/gpu/gl/GrGLUtil.h
index b8a96e5..9a82b0b 100644
--- a/src/gpu/gl/GrGLUtil.h
+++ b/src/gpu/gl/GrGLUtil.h
@@ -23,6 +23,7 @@
     kARM_GrGLVendor,
     kImagination_GrGLVendor,
     kIntel_GrGLVendor,
+    kQualcomm_GrGLVendor,
 
     kOther_GrGLVendor
 };