Merge "Add missing nullability annotations"

  public final class UiAutomation {

    method public void adoptShellPermissionIdentity();

    method public void adoptShellPermissionIdentity(java.lang.String...);

    method public void adoptShellPermissionIdentity(@Nullable java.lang.String...);

    method public void clearWindowAnimationFrameStats();

    method public boolean clearWindowContentFrameStats(int);

    method public void dropShellPermissionIdentity();

import android.accessibilityservice.IAccessibilityServiceClient;

import android.accessibilityservice.IAccessibilityServiceConnection;

import android.annotation.NonNull;

import android.annotation.Nullable;

import android.annotation.TestApi;

import android.annotation.UnsupportedAppUsage;

import android.graphics.Bitmap;

     * <strong>Note:<strong/> Calling this method adopts only the specified shell permissions

     * and overrides all adopted permissions via {@link #adoptShellPermissionIdentity()}.

     *

     * @param permissions The permissions to adopt or <code>null</code> to adopt all.

     *

     * @see #adoptShellPermissionIdentity()

     * @see #dropShellPermissionIdentity()

     */

    public void adoptShellPermissionIdentity(String... permissions) {

    public void adoptShellPermissionIdentity(@Nullable String... permissions) {

        synchronized (mLock) {

            throwIfNotConnectedLocked();

        }