Merge "HintManagerService: only check isolated process for app uid" into sc-dev

    private boolean checkTidValid(int uid, int tgid, int [] tids) {

        // Make sure all tids belongs to the same UID (including isolated UID),

        // tids can belong to different application processes.

        List<Integer> eligiblePids = mAmInternal.getIsolatedProcesses(uid);

        List<Integer> eligiblePids = null;

        // To avoid deadlock, do not call into AMS if the call is from system.

        if (uid != Process.SYSTEM_UID) {

            eligiblePids = mAmInternal.getIsolatedProcesses(uid);

        }

        if (eligiblePids == null) {

            eligiblePids = new ArrayList<>();

        }