Merge "Monitor device storage directly in /data/data" into ics

    private static final long DEFAULT_DISK_FREE_CHANGE_REPORTING_THRESHOLD = 2 * 1024 * 1024; // 2MB

    private static final long DEFAULT_CHECK_INTERVAL = MONITOR_INTERVAL*60*1000;

    private static final int DEFAULT_FULL_THRESHOLD_BYTES = 1024*1024; // 1MB

    private long mFreeMem;  // on /data

    private long mFreeMem;  // on /data/data

    private long mLastReportedFreeMem;

    private long mLastReportedFreeMemTime;

    private boolean mLowMemFlag=false;

    private boolean mMemFullFlag=false;

    private Context mContext;

    private ContentResolver mContentResolver;

    private long mTotalMemory;  // on /data

    private long mTotalMemory;  // on /data/data

    private StatFs mDataFileStats;

    private StatFs mSystemFileStats;

    private StatFs mCacheFileStats;

    private static final String DATA_PATH = "/data";

    private static final String DATA_PATH = "/data/data"; // might not be the same fs as /data

    private static final String SYSTEM_PATH = "/system";

    private static final String CACHE_PATH = "/cache";

    private long mThreadStartTime = -1;