Update RT views and framebuffer in vulkan after mipmaping

src/gpu/vk/GrVkResource.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrVkResource_DEFINED
 #define GrVkResource_DEFINED
 
@@ skipping 42 matching lines @@
             SkASSERT(0 == fHash.count());
         }
         void add(GrVkResource* r) { fHash.add(r); }
         void remove(const GrVkResource* r) { fHash.remove(GetKey(*r)); }
 
     private:
         SkTDynamicHash<GrVkResource, uint32_t> fHash;
     };
     static Trace  fTrace;
 
-    static SkRandom fRandom;
+    static uint32_t fKeyCounter;
 #endif
 
     /** Default construct, initializing the reference count to 1.
      */
     GrVkResource() : fRefCnt(1) {
 #ifdef SK_TRACE_VK_RESOURCES
-        fKey = fRandom.nextU();
+        fKey = sk_atomic_fetch_add(&fKeyCounter, 1u, sk_memory_order_relaxed);
         fTrace.add(this);
 #endif
     }
 
     /** Destruct, asserting that the reference count is 1.
      */
     virtual ~GrVkResource() {
 #ifdef SK_DEBUG
         SkASSERTF(fRefCnt == 1, "fRefCnt was %d", fRefCnt);
         fRefCnt = 0;    // illegal value, to catch us if we reuse after delete
@@ skipping 105 matching lines @@
     mutable int32_t fRefCnt;
 #ifdef SK_TRACE_VK_RESOURCES
     uint32_t fKey;
 #endif
 
     typedef SkNoncopyable INHERITED;
 };
 
 
 #endif