Rounded corners

Test: visual
Test: /data/nativetest64/SurfaceFlinger_test/SurfaceFlinger_test
Fixes: 111514493
Change-Id: Ie8f400bbcea3e9653295ea7b75c7eef568fd76c4
diff --git a/services/surfaceflinger/layerproto/layers.proto b/services/surfaceflinger/layerproto/layers.proto
index c141ee3..b100438 100644
--- a/services/surfaceflinger/layerproto/layers.proto
+++ b/services/surfaceflinger/layerproto/layers.proto
@@ -87,6 +87,8 @@
   // If active_buffer is not null, record its transform.
   optional TransformProto buffer_transform = 39;
   optional int32 effective_scaling_mode = 40;
+  // Layer's corner radius.
+  optional float corner_radius = 41;
 }
 
 message PositionProto {