InputManagerService: Fix typo in GuardedBy annotation.

    // to display id (int). Currently only accessed by InputReader.

    private final Map<String, Integer> mStaticAssociations;

    private final Object mAssociationsLock = new Object();

    @GuardedBy("mAssociationLock")

    @GuardedBy("mAssociationsLock")

    private final Map<String, Integer> mRuntimeAssociations = new ArrayMap<>();

    @GuardedBy("mAssociationLock")

    @GuardedBy("mAssociationsLock")

    private final Map<String, String> mUniqueIdAssociations = new ArrayMap<>();

    // Guards per-display input properties and properties relating to the mouse pointer.