Merge "Fixing checkstyle presubmit hook comments." am: 29444579

import android.content.pm.dex.DexMetadataHelper;

import android.os.FileUtils;

import android.os.PowerManager;

import android.os.Process;

import android.os.SystemClock;

import android.os.SystemProperties;

import android.os.UserHandle;

import android.os.WorkSource;

import android.os.storage.StorageManager;

import android.util.Log;

import android.util.Slog;