Merge "Fix jank in CUJ_NOTIFICATION_HEADS_UP_APPEAR" into tm-qpr-dev

import android.graphics.Point;

import android.util.AttributeSet;

import android.util.MathUtils;

import android.view.Choreographer;

import android.view.MotionEvent;

import android.view.View;

import android.view.accessibility.AccessibilityManager;

        if (animationListener != null) {

            mAppearAnimator.addListener(animationListener);

        }

        if (delay > 0) {

        // we need to apply the initial state already to avoid drawn frames in the wrong state

        updateAppearAnimationAlpha();

        updateAppearRect();

            mAppearAnimator.setStartDelay(delay);

        }

        mAppearAnimator.addListener(new AnimatorListenerAdapter() {

            private boolean mWasCancelled;

                mWasCancelled = true;

            }

        });

        // Cache the original animator so we can check if the animation should be started in the

        // Choreographer callback. It's possible that the original animator (mAppearAnimator) is

        // replaced with a new value before the callback is called.

        ValueAnimator cachedAnimator = mAppearAnimator;

        // Even when delay=0, starting the animation on the next frame is necessary to avoid jank.

        // Not doing so will increase the chances our Animator will be forced to skip a value of

        // the animation's progression, causing stutter.

        Choreographer.getInstance().postFrameCallbackDelayed(

                frameTimeNanos -> {

                    if (mAppearAnimator == cachedAnimator) {

                        mAppearAnimator.start();

                    }

                }, delay);

    }

    private int getCujType(boolean isAppearing) {

        if (mIsHeadsUpAnimation) {