aaudio: fix output bugs and improve input performance, add loopback test

Support AAUDIO_PERFORMANCE_MODE in AudioStreamRecord.cpp
Fix race condition when closing a stream, which this test revealed.
Fix setting of negative notificationFrames for non-FAST tracks.

Convert test from old Oboe API to AAudio.
Add command line options to the test.
Add systrace calls.

Bug: 34093052
Bug: 38313432
Bug: 38178592
Test: loopback.cpp
Change-Id: Ib6d2995cdd3ed432937fde2f26c5394013f0d6e0
Signed-off-by: Phil Burk <philburk@google.com>