Add back builds for libaaudio examples

These will actually get installed as tests in /data/nativetest{,64}/...,
instead of into the /system/bin directory.

Test: mmma frameworks/av/media/libaaudio
Change-Id: I41e077e21e3d5c76f0fd5b4f21f7377a0c293740
diff --git a/media/libaaudio/tests/test_timestamps.cpp b/media/libaaudio/tests/test_timestamps.cpp
index fb363e7..1a9a277 100644
--- a/media/libaaudio/tests/test_timestamps.cpp
+++ b/media/libaaudio/tests/test_timestamps.cpp
@@ -22,8 +22,7 @@
 
 #include <aaudio/AAudio.h>
 #include <aaudio/AAudioTesting.h>
-#include "utils/AAudioExampleUtils.h"
-#include "../examples/utils/AAudioExampleUtils.h"
+#include "AAudioExampleUtils.h"
 
 // Arbitrary period for glitches, once per second at 48000 Hz.
 #define FORCED_UNDERRUN_PERIOD_FRAMES    48000