DO NOT MERGE Backport of limited jank-tracking metrics

Bug: 19821830

Cherry-pick of ba6adf66d3c44c0aa2fd8a224862ff1901d64300
Cherry-pick of e70c5754d01f2ab0ff47ea3eabaa88aca5ed2a36

Change-Id: Id342fa0ab345f204bec58acf45ce72f6de950cfb

1 files changed, 15 insertions, 1 deletions

diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index e4d82b1..3566140 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -56,6 +56,7 @@ import android.util.AndroidRuntimeException;
 import android.util.DisplayMetrics;
 import android.util.Log;
 import android.util.Slog;
+import android.util.TimeUtils;
 import android.util.TypedValue;
 import android.view.Surface.OutOfResourcesException;
 import android.view.View.AttachInfo;
@@ -1502,6 +1503,7 @@ public final class ViewRootImpl implements ViewParent,
                         // to resume them
                         mDirty.set(0, 0, mWidth, mHeight);
                     }
+                    mChoreographer.mFrameInfo.addFlags(FrameInfo.FLAG_WINDOW_LAYOUT_CHANGED);
                 }
                 final int surfaceGenerationId = mSurface.getGenerationId();
                 relayoutResult = relayoutWindow(params, viewVisibility, insetsPending);
@@ -2505,6 +2507,9 @@ public final class ViewRootImpl implements ViewParent,
             }
         }
 
+        mAttachInfo.mDrawingTime =
+                mChoreographer.getFrameTimeNanos() / TimeUtils.NANOS_PER_MS;
+
         if (!dirty.isEmpty() || mIsAnimating || accessibilityFocusDirty) {
             if (mAttachInfo.mHardwareRenderer != null && mAttachInfo.mHardwareRenderer.isEnabled()) {
                 // If accessibility focus moved, always invalidate the root.
@@ -2624,7 +2629,6 @@ public final class ViewRootImpl implements ViewParent,
 
             dirty.setEmpty();
             mIsAnimating = false;
-            attachInfo.mDrawingTime = SystemClock.uptimeMillis();
             mView.mPrivateFlags |= View.PFLAG_DRAWN;
 
             if (DEBUG_DRAW) {
@@ -5778,6 +5782,16 @@ public final class ViewRootImpl implements ViewParent,
             Trace.traceCounter(Trace.TRACE_TAG_INPUT, mPendingInputEventQueueLengthCounterName,
                     mPendingInputEventCount);
 
+            long eventTime = q.mEvent.getEventTimeNano();
+            long oldestEventTime = eventTime;
+            if (q.mEvent instanceof MotionEvent) {
+                MotionEvent me = (MotionEvent)q.mEvent;
+                if (me.getHistorySize() > 0) {
+                    oldestEventTime = me.getHistoricalEventTimeNano(0);
+                }
+            }
+            mChoreographer.mFrameInfo.updateInputEventTime(eventTime, oldestEventTime);
+
             deliverInputEvent(q);
         }