Re-calculate mCurrentTimeUs for MP3 CBR seek because we might have called Resync() which changes mCurrentPos. For bug 4869063.
Re-calculate mCurrentTimeUs for MP3 CBR seek because we might have
called Resync() which changes mCurrentPos.
For bug 4869063.

Change-Id: I5c5876ad81adf0ced1a6e6c18cda6905bf38f731

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base