Merge "Remove unnecessary animation for an instant change" into main

import android.util.ArrayMap;

import android.view.SurfaceControl;

import android.view.WindowManager;

import android.view.animation.AlphaAnimation;

import android.view.animation.Animation;

import android.window.TransitionInfo;

import android.window.TransitionMetrics;

                a = mTransitionAnimation.loadVoiceActivityExitAnimation(enter, userId);

            }

        } else if (changeMode == TRANSIT_CHANGE) {

            // In the absence of a specific adapter, we just want to keep everything stationary.

            a = new AlphaAnimation(1.f, 1.f);

            a.setDuration(TransitionAnimation.DEFAULT_APP_TRANSITION_DURATION);

            // Apply end state directly by default.

            return null;

        } else if (type == TRANSIT_RELAUNCH) {

            a = mTransitionAnimation.createRelaunchAnimation(endBounds, mInsets, endBounds);

        } else if (overrideType == ANIM_CUSTOM