Merge "VibrationSettings: add synchronized control for access of mProcStatesCache" into main

        private final SparseArray<Integer> mProcStatesCache = new SparseArray<>();

        public boolean isUidForeground(int uid) {

            synchronized (this) {

                return mProcStatesCache.get(uid, ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND)

                        <= ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND;

            }

        }

        @Override

        public void onUidGone(int uid, boolean disabled) {

            synchronized (this) {

                mProcStatesCache.delete(uid);

            }

        }

        @Override

        public void onUidStateChanged(int uid, int procState, long procStateSeq, int capability) {

            synchronized (this) {

                mProcStatesCache.put(uid, procState);

            }

        }

    }

    /**

     * Implementation of Virtual Device listeners for the changes of virtual displays and of apps