Merge "StateMachine: reset LogRecords.mOldestIndex in LogRecords.setSize" into nyc-dev

         * @param maxSize number of records to maintain at anyone time.

        */

        synchronized void setSize(int maxSize) {

            // TODO: once b/28217358 is fixed, add unit tests  to verify that these variables are

            // cleared after calling this method, and that subsequent calls to get() function as

            // expected.

            mMaxSize = maxSize;

            mOldestIndex = 0;

            mCount = 0;

            mLogRecVector.clear();

        }