Merge "API coverage for Builder#requireDeviceIdle"

import android.os.Looper;

import android.os.RemoteException;

import android.os.SystemClock;

import android.os.SystemProperties;

import android.text.format.DateUtils;

import android.util.Slog;

    @WorkerThread

    private void scheduleIdleJob() {

        // Simulate idle jobs during test. Otherwise we need to wait for

        // more than 30 mins for JS to trigger the job.

        boolean isIdle = SystemProperties.getBoolean("debug.pm.gentle_update_test.is_idle", false);

        if (isIdle) {

            mHandler.post(this::runIdleJob);

            return;

        }

        if (mHasPendingIdleJob) {

            // No need to schedule the job again

            return;