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.cpp b/src/gpu/gl/GrGLUtil.cpp
index 8440c57..99efeaf 100644
--- a/src/gpu/gl/GrGLUtil.cpp
+++ b/src/gpu/gl/GrGLUtil.cpp
@@ -206,6 +206,9 @@
         if (0 == strcmp(vendorString, "Intel")) {
             return kIntel_GrGLVendor;
         }
+        if (0 == strcmp(vendorString, "Qualcomm")) {
+            return kQualcomm_GrGLVendor;
+        }
     }
     return kOther_GrGLVendor;
 }