Use RGBA16F layers when wide color gamut rendering is on

Layers created using View.setLayerType() or Canvas.saveLayer() need
to be RGBA16F/scRGB-nl when within a window that requested wide color
gamut rendering.

Bug: 29940137
Test: CtsUiRenderingTestCases, CtsGraphicsTestCases, hwui_unit_tests
Change-Id: I42fd6355448c92041491a7109e3ac8a153d38bf9
diff --git a/libs/hwui/renderthread/OpenGLPipeline.h b/libs/hwui/renderthread/OpenGLPipeline.h
index 0e8c3f5..4ca19fb 100644
--- a/libs/hwui/renderthread/OpenGLPipeline.h
+++ b/libs/hwui/renderthread/OpenGLPipeline.h
@@ -36,7 +36,7 @@
     bool draw(const Frame& frame, const SkRect& screenDirty, const SkRect& dirty,
             const FrameBuilder::LightGeometry& lightGeometry,
             LayerUpdateQueue* layerUpdateQueue,
-            const Rect& contentDrawBounds, bool opaque,
+            const Rect& contentDrawBounds, bool opaque, bool wideColorGamut,
             const BakedOpRenderer::LightInfo& lightInfo,
             const std::vector< sp<RenderNode> >& renderNodes,
             FrameInfoVisualizer* profiler) override;
@@ -50,11 +50,11 @@
     bool isContextReady() override;
     void onDestroyHardwareResources() override;
     void renderLayers(const FrameBuilder::LightGeometry& lightGeometry,
-            LayerUpdateQueue* layerUpdateQueue, bool opaque,
+            LayerUpdateQueue* layerUpdateQueue, bool opaque, bool wideColorGamut,
             const BakedOpRenderer::LightInfo& lightInfo) override;
     TaskManager* getTaskManager() override;
     bool createOrUpdateLayer(RenderNode* node,
-            const DamageAccumulator& damageAccumulator) override;
+            const DamageAccumulator& damageAccumulator, bool wideColorGamut) override;
     bool pinImages(std::vector<SkImage*>& mutableImages) override { return false; }
     bool pinImages(LsaVector<sk_sp<Bitmap>>& images) override;
     void unpinImages() override;