SurfaceFlinger: make Refresh Rate Overlay smaller

Adjust Refresh Rate Overlay size and position to be less
disruptive on the screen.

Bug: 131887402
Change-Id: I32336391f2a1e6215f6f253bb4ffd6fb0e0263ce
Test: adb shell service call SurfaceFlinger 1034 i32 1
diff --git a/services/surfaceflinger/RefreshRateOverlay.cpp b/services/surfaceflinger/RefreshRateOverlay.cpp
index fcde8da..d3fe7b6 100644
--- a/services/surfaceflinger/RefreshRateOverlay.cpp
+++ b/services/surfaceflinger/RefreshRateOverlay.cpp
@@ -38,7 +38,8 @@
     }
 
     mLayer = mClient->getLayerUser(mIBinder);
-    mLayer->setCrop_legacy(Rect(0, 0, 200, 100), true);
+    mLayer->setCrop_legacy(Rect(50, 70, 200, 100), true);
+    mLayer->setCornerRadius(15.0f);
     mLayer->setLayer(INT32_MAX - 2);
 
     return true;