Move basic tests from postsubmit to presubmit

I5cf2cc6bf3e9a4523b495cf81cc75201efbfc1a5 added basic
AAudio tests to postsubmit. They look good and run fine
without any bugs popping up. This CL adds them into
presubmit.

Bug: 223231809
Test: none
Change-Id: I37e9c221b298c05fb0a6824472ded2e4a11c460e
diff --git a/services/audioflinger/TEST_MAPPING b/services/audioflinger/TEST_MAPPING
index 1b7c714..3de5a9f 100644
--- a/services/audioflinger/TEST_MAPPING
+++ b/services/audioflinger/TEST_MAPPING
@@ -1,5 +1,5 @@
 {
-  "postsubmit": [
+  "presubmit": [
     {
       "name": "CtsNativeMediaAAudioTestCases",
       "options" : [