Revert "One more ASAN fix."

This reverts commit 409fd66a5a.

We don't expect to pass this test until the ASAN bots are
correctly configured, and can run GPU tests.

BUG=skia:
TBR=robertphillips@google.com

Review URL: https://codereview.chromium.org/1080393003

tests/GLInterfaceValidationTest.cpp

@@ -28,6 +28,7 @@ DEF_GPUTEST(GLInterfaceValidation, reporter, factory) {
             continue;
         }
 
+        REPORTER_ASSERT(reporter, glCtx);
         if (glCtx) {
             const GrGLInterface* interface = glCtx->gl();
             REPORTER_ASSERT(reporter, interface->validate());