Update frame interval when refresh rate changes

Change-Id: I7ee7b257b41e2435d004782ee221e26c733a98b9
CRs-Fixed: 3219183

1 files changed, 4 insertions, 0 deletions

diff --git a/core/java/android/view/Choreographer.java b/core/java/android/view/Choreographer.java
index 39beeeae11de..c3511e7c036d 100644
--- a/core/java/android/view/Choreographer.java
+++ b/core/java/android/view/Choreographer.java
@@ -844,6 +844,10 @@ public final class Choreographer {
                 mLastVsyncEventData = vsyncEventData;
             }
 
+            if (frameIntervalNanos > 0 && frameIntervalNanos != mFrameIntervalNanos) {
+                mFrameIntervalNanos = frameIntervalNanos;
+                ScrollOptimizer.setFrameInterval(mFrameIntervalNanos);
+            }
             ScrollOptimizer.setUITaskStatus(true);
             AnimationUtils.lockAnimationClock(frameTimeNanos / TimeUtils.NANOS_PER_MS);