tree a91bd454c3f82a7ef961898809428cd9536dc518
parent aa4bbda744cd0eabcb6608dd2c06851aa91bfcb4
author Ady Abraham <adyabr@google.com> 1601678875 -0700
committer Ady Abraham <adyabr@google.com> 1601920378 +0000

SurfaceFlinger: fix a crash with RefreshRateOverlay

 - Fix a nullptr deference in createLayer
 - Add a test for RefreshRateOverlay

Test: adb shell /data/nativetest64/SurfaceFlinger_test/SurfaceFlinger_test
Bug: 169867983
Change-Id: I496aaeceaa86b55f806ddc921fc5b050417725b7