Add basic CTS aaudio tests to postsubmit

Tests are added in linked CTS test.
The tests will be added to presubmit in a subsequent CL.
Note that include-filter filters with regex.

Bug: 223231809
Test: atest AAudioTests
Change-Id: I5cf2cc6bf3e9a4523b495cf81cc75201efbfc1a5
diff --git a/services/audioflinger/TEST_MAPPING b/services/audioflinger/TEST_MAPPING
new file mode 100644
index 0000000..1b7c714
--- /dev/null
+++ b/services/audioflinger/TEST_MAPPING
@@ -0,0 +1,12 @@
+{
+  "postsubmit": [
+    {
+      "name": "CtsNativeMediaAAudioTestCases",
+      "options" : [
+        {
+          "include-filter": "android.nativemedia.aaudio.AAudioTests#AAudioBasic.*"
+        }
+      ]
+    }
+  ]
+}