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/BakedOpRenderer.h b/libs/hwui/BakedOpRenderer.h
index 4d76a3d..01ca367 100644
--- a/libs/hwui/BakedOpRenderer.h
+++ b/libs/hwui/BakedOpRenderer.h
@@ -54,12 +54,13 @@
         uint8_t spotShadowAlpha;
     };
 
-    BakedOpRenderer(Caches& caches, RenderState& renderState, bool opaque,
+    BakedOpRenderer(Caches& caches, RenderState& renderState, bool opaque, bool wideColorGamut,
             const LightInfo& lightInfo)
             : mGlopReceiver(DefaultGlopReceiver)
             , mRenderState(renderState)
             , mCaches(caches)
             , mOpaque(opaque)
+            , mWideColorGamut(wideColorGamut)
             , mLightInfo(lightInfo) {
     }
 
@@ -118,6 +119,7 @@
     RenderState& mRenderState;
     Caches& mCaches;
     bool mOpaque;
+    bool mWideColorGamut;
     bool mHasDrawn = false;
 
     // render target state - setup by start/end layer/frame