RTP: Update parameters for larger packet intervals.
RTP: Update parameters for larger packet intervals.

Also remove some duplicated code.

Change-Id: I64576e5442a962eb4b0dfa83b52a8127567ba597

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