aaudio: restore _get and _setSamplesPerFrame()

This restores some deprecated functions that some released apps
were calling. Restored:

    AAudioStreamBuilder_setSamplesPerFrame()
    AAudioStream_getSamplesPerFrame()

Bug: 64346279
Test: put GStomper in AAudio mode using its Settings on Marlin
Change-Id: I2749a06cded9fc3863d233713efda2674cf7f5e3
diff --git a/media/libaaudio/libaaudio.map.txt b/media/libaaudio/libaaudio.map.txt
index b9012e5..2ba5250 100644
--- a/media/libaaudio/libaaudio.map.txt
+++ b/media/libaaudio/libaaudio.map.txt
@@ -11,6 +11,7 @@
     AAudioStreamBuilder_setErrorCallback;
     AAudioStreamBuilder_setFramesPerDataCallback;
     AAudioStreamBuilder_setSampleRate;
+    AAudioStreamBuilder_setSamplesPerFrame;
     AAudioStreamBuilder_setChannelCount;
     AAudioStreamBuilder_setFormat;
     AAudioStreamBuilder_setSharingMode;
@@ -34,6 +35,7 @@
     AAudioStream_getBufferCapacityInFrames;
     AAudioStream_getXRunCount;
     AAudioStream_getSampleRate;
+    AAudioStream_getSamplesPerFrame;
     AAudioStream_getChannelCount;
     AAudioStream_getPerformanceMode;
     AAudioStream_getDeviceId;