Merge "Add reverseDump"

import java.time.LocalDateTime;

import java.util.ArrayDeque;

import java.util.Deque;

import java.util.Iterator;

import java.util.StringJoiner;

        mLocalLog.dump(writer);

    }

    /**

     * Reverse dump the contents of this log.

     *

     * <p>This method may be called on any thread.

     */

    public void reverseDump(PrintWriter writer) {

        mLocalLog.reverseDump(writer);

    }

    //////

    // Methods that both log an entry and emit it to the system log.

    //////

                pw.println(s);

            }

        }

        synchronized void reverseDump(PrintWriter pw) {

            final Iterator<String> itr = mLog.descendingIterator();

            while (itr.hasNext()) {

                pw.println(itr.next());

            }

        }

    }

}