Add retry mechanism to AudioRecord::restoreRecord_l().

This is analogous to similar code in AudioTrack::restoreTrack_l().

Bug: 77682459
Test: Connect USB headset. Start Skype call. Note input audio on DUT is
heard on remote phone. Manually kill audio server, verify that input
from USB headset is restored on DUT and heard on remote phone.

Change-Id: Icbf624aba8a3fe6917b132d8c38c2812f9519ec6