audio: remove flag android.media.audiopolicy.audio_mix_test_api

Test: make
Bug: 309080867
Flag: EXEMPT flag removal
Change-Id: I8f933a6f9c803c7d03d2720237b08fed00580da5
diff --git a/tests/tests/virtualdevice/audio/src/android/virtualdevice/cts/audio/VirtualAudioTest.java b/tests/tests/virtualdevice/audio/src/android/virtualdevice/cts/audio/VirtualAudioTest.java
index df62231..e1a3797 100644
--- a/tests/tests/virtualdevice/audio/src/android/virtualdevice/cts/audio/VirtualAudioTest.java
+++ b/tests/tests/virtualdevice/audio/src/android/virtualdevice/cts/audio/VirtualAudioTest.java
@@ -136,8 +136,8 @@
 
     @Test
     @RequiresFlagsEnabled({
-            android.media.audiopolicy.Flags.FLAG_AUDIO_MIX_TEST_API,
-            android.media.audiopolicy.Flags.FLAG_RECORD_AUDIO_DEVICE_AWARE_PERMISSION})
+        android.media.audiopolicy.Flags.FLAG_RECORD_AUDIO_DEVICE_AWARE_PERMISSION
+    })
     public void virtualDevice_hasAudioInput_withoutMicrophoneAndCustomPolicy() {
         // mVirtualDevice is created with CUSTOM policy
         android.companion.virtual.VirtualDevice virtualDevice = mVirtualDeviceRule.getVirtualDevice(
@@ -148,8 +148,8 @@
 
     @Test
     @RequiresFlagsEnabled({
-            android.media.audiopolicy.Flags.FLAG_AUDIO_MIX_TEST_API,
-            android.media.audiopolicy.Flags.FLAG_RECORD_AUDIO_DEVICE_AWARE_PERMISSION})
+        android.media.audiopolicy.Flags.FLAG_RECORD_AUDIO_DEVICE_AWARE_PERMISSION
+    })
     public void virtualDevice_hasAudioInput_withMicrophone_isTrue() {
         mVirtualAudioDevice.startAudioInjection(INJECTION_FORMAT);
 
@@ -164,8 +164,8 @@
 
     @Test
     @RequiresFlagsEnabled({
-            android.media.audiopolicy.Flags.FLAG_AUDIO_MIX_TEST_API,
-            android.media.audiopolicy.Flags.FLAG_RECORD_AUDIO_DEVICE_AWARE_PERMISSION})
+        android.media.audiopolicy.Flags.FLAG_RECORD_AUDIO_DEVICE_AWARE_PERMISSION
+    })
     public void multipleVirtualDevices_hasAudioInput_microphoneCapabilitiesOrCustomPolicy() {
         VirtualDeviceParams params = new VirtualDeviceParams.Builder().setDevicePolicy(
                 VirtualDeviceParams.POLICY_TYPE_AUDIO,
@@ -192,8 +192,8 @@
 
     @Test
     @RequiresFlagsEnabled({
-            android.media.audiopolicy.Flags.FLAG_AUDIO_MIX_TEST_API,
-            android.media.audiopolicy.Flags.FLAG_RECORD_AUDIO_DEVICE_AWARE_PERMISSION})
+        android.media.audiopolicy.Flags.FLAG_RECORD_AUDIO_DEVICE_AWARE_PERMISSION
+    })
     public void virtualDevice_hasAudioInput_withDefaultAudioPolicy_manualAudioPolicy() {
         VirtualDeviceParams params = new VirtualDeviceParams.Builder().setDevicePolicy(
                 VirtualDeviceParams.POLICY_TYPE_AUDIO,
@@ -230,8 +230,8 @@
 
     @Test
     @RequiresFlagsEnabled({
-            android.media.audiopolicy.Flags.FLAG_AUDIO_MIX_TEST_API,
-            android.media.audiopolicy.Flags.FLAG_RECORD_AUDIO_DEVICE_AWARE_PERMISSION})
+        android.media.audiopolicy.Flags.FLAG_RECORD_AUDIO_DEVICE_AWARE_PERMISSION
+    })
     public void virtualDevice_noAudioInput_withDefaultAudioPolicy_isFalse() {
         VirtualDeviceParams params = new VirtualDeviceParams.Builder().setDevicePolicy(
                 VirtualDeviceParams.POLICY_TYPE_AUDIO,