Adding additional annotation to Skia Recorder

Adding DisplaySetting and LayerSettings as drawAnnotations
when Skia Caputure is recording. This is useful to know what
layer is being drawn on screen.

Test: Turn on skiagl RE. Turn on recording. Grab file from device.
      Open in Skia debugger.
Bug: 173805658
Change-Id: I2c94a7f5af7f48297a42a1b51c79eea9d9c1c868
diff --git a/libs/renderengine/skia/debug/SkiaCapture.h b/libs/renderengine/skia/debug/SkiaCapture.h
index 52717a7..eaaf598 100644
--- a/libs/renderengine/skia/debug/SkiaCapture.h
+++ b/libs/renderengine/skia/debug/SkiaCapture.h
@@ -45,6 +45,8 @@
     SkCanvas* tryCapture(SkSurface* surface);
     // Called at the end of every frame.
     void endCapture();
+    // Returns whether the capture is running.
+    bool isCaptureRunning() { return mCaptureRunning; }
 
 private:
     // Performs the first-frame work of a multi frame SKP capture. Returns true if successful.