Merge "Document SessionState callingUid and callingPid fields"

        private final boolean isRecordingSession;

        private final ITvInputClient client;

        private final int seq;

        /**

         * The {code UID} of the application that created the session.

         *

         * <p>

         * The application is usually the TIF Player.

         */

        private final int callingUid;

        /**

         * The  {@code PID} of the application that created the session.

         *

         * <p>

         * The application is usually the TIF Player.

         */

        private final int callingPid;

        private final int userId;

        private final IBinder sessionToken;