Update testing frameworks/tests for MDB

src/gpu/GrContext.cpp

Index: src/gpu/GrContext.cpp
diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index bd4ca40a34b05139fa2ea39565c447bc07255456..348cdbaacac3bb7a631d5447293cde668fcdfbb2 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -118,14 +118,17 @@ GrContext::~GrContext() {
 
 void GrContext::abandonContext() {
     fResourceProvider->abandon();
+
+    // Need to abandon the drawing manager first so all the render targets
+    // will be released/forgotten before they too are abandoned.
+    fDrawingManager->abandon();
+
     // abandon first to so destructors
     // don't try to free the resources in the API.
     fResourceCache->abandonAll();
 
     fGpu->contextAbandoned();
 
-    fDrawingManager->abandon();
-
     fBatchFontCache->freeAll();
     fLayerCache->freeAll();
     fTextBlobCache->freeAll();