DO NOT MERGE Update battery stats buffer on wear branch.

    static {

        if (ActivityManager.isLowRamDeviceStatic()) {

            MAX_HISTORY_ITEMS = 800;

            MAX_MAX_HISTORY_ITEMS = 1200;

            MAX_WAKELOCKS_PER_UID = 40;

            MAX_HISTORY_BUFFER = 96*1024;  // 96KB

            MAX_MAX_HISTORY_BUFFER = 128*1024; // 128KB

            MAX_HISTORY_ITEMS = 2000;

            MAX_MAX_HISTORY_ITEMS = 3000;

            MAX_WAKELOCKS_PER_UID = 100;

            MAX_HISTORY_BUFFER = 256*1024;  // 256KB

            MAX_MAX_HISTORY_BUFFER = 320*1024;  // 320KB

        } else {

            MAX_HISTORY_ITEMS = 4000;

            MAX_MAX_HISTORY_ITEMS = 6000;