Revert "Revert "Make stopped state a first-class thing""

This reverts commit eab3f2658aa41d37c3b05d49a2ce4e3f4ed85399.

Fixes first-frame issue, mReportNextDraw needs to override
mStopped

Fixes: 28118961
Fixes: 27286867

Change-Id: I5c811759637d08ba9f3b342016d1b3006986d5a2
diff --git a/libs/hwui/renderthread/CanvasContext.h b/libs/hwui/renderthread/CanvasContext.h
index 9350114..52df3abe 100644
--- a/libs/hwui/renderthread/CanvasContext.h
+++ b/libs/hwui/renderthread/CanvasContext.h
@@ -82,13 +82,14 @@
     void initialize(Surface* surface);
     void updateSurface(Surface* surface);
     bool pauseSurface(Surface* surface);
+    void setStopped(bool stopped);
     bool hasSurface() { return mNativeSurface.get(); }
 
     void setup(int width, int height, float lightRadius,
             uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha);
     void setLightCenter(const Vector3& lightCenter);
     void setOpaque(bool opaque);
-    void makeCurrent();
+    bool makeCurrent();
     void prepareTree(TreeInfo& info, int64_t* uiFrameInfo,
             int64_t syncQueued, RenderNode* target);
     void draw();
@@ -172,7 +173,6 @@
     friend class android::uirenderer::RenderState;
 
     void setSurface(Surface* window);
-    void requireSurface();
 
     void freePrefetchedLayers(TreeObserver* observer);
 
@@ -185,6 +185,7 @@
     EglManager& mEglManager;
     sp<Surface> mNativeSurface;
     EGLSurface mEglSurface = EGL_NO_SURFACE;
+    bool mStopped = false;
     bool mBufferPreserved = false;
     SwapBehavior mSwapBehavior = kSwap_default;
     struct SwapHistory {