aaudio: merge contents of  AAudioDefinitions.h into AAudio.h

As requested by native API council.

Bug: 30210002
Bug: 33398120
Test: CTS test_aaudio
Change-Id: I5ea7c53d09469221263d84cf6f82082e67c2523b
Signed-off-by: Phil Burk <philburk@google.com>
diff --git a/media/libaaudio/tests/test_marshalling.cpp b/media/libaaudio/tests/test_marshalling.cpp
index b1f77c0..79beed6 100644
--- a/media/libaaudio/tests/test_marshalling.cpp
+++ b/media/libaaudio/tests/test_marshalling.cpp
@@ -25,7 +25,7 @@
 #include <gtest/gtest.h>
 #include <sys/mman.h>
 
-#include <aaudio/AAudioDefinitions.h>
+#include <aaudio/AAudio.h>
 #include <binding/AudioEndpointParcelable.h>
 
 using namespace android;