Add configuration for activity thumbnails

    <!-- default window inset isRound property -->

    <bool name="config_windowIsRound">false</bool>

    <!-- default device has recents property -->

    <bool name="config_hasRecents">true</bool>

    <!-- Defines the default set of global actions. Actions may still be disabled or hidden based

         on the current state of the device.

         Each item must be one of the following strings:

  <java-symbol type="bool" name="config_forceDefaultOrientation" />

  <java-symbol type="bool" name="config_wifi_batched_scan_supported" />

  <java-symbol type="bool" name="config_windowIsRound" />

  <java-symbol type="bool" name="config_hasRecents" />

  <java-symbol type="integer" name="config_cursorWindowSize" />

  <java-symbol type="integer" name="config_extraFreeKbytesAdjust" />

     */

    private boolean mUserIsMonkey;

    /** Flag whether the device has a recents UI */

    final boolean mHasRecents;

    final ServiceThread mHandlerThread;

    final MainHandler mHandler;

        mConfigurationSeq = mConfiguration.seq = 1;

        mProcessCpuTracker.init();

        mHasRecents = mContext.getResources().getBoolean(

                com.android.internal.R.bool.config_hasRecents);

        mCompatModePackages = new CompatModePackages(this, systemDir, mHandler);

        mIntentFirewall = new IntentFirewall(new IntentFirewallInterface(), mHandler);

        mStackSupervisor = new ActivityStackSupervisor(this);

        prev.task.touchActiveTime();

        clearLaunchTime(prev);

        final ActivityRecord next = mStackSupervisor.topRunningActivityLocked();

        if (next == null || next.task != prev.task) {

        if (mService.mHasRecents && (next == null || next.task != prev.task)) {

            prev.updateThumbnail(screenshotActivities(prev), null);

        }

        stopFullyDrawnTraceIfNeeded();