Revert "Add APIs to query MMAP support in AAudio."

Revert submission 29709835-query_mmap_support

Reason for revert: Droidmonitor created revert due to b/374754620. Will be verifying through ABTD before submission.

Reverted changes: /q/submissionid:29709835-query_mmap_support

Change-Id: Iaa271ce90bcea34b654a1f55c90f3051d89ac54c
diff --git a/media/libaudioclient/AudioSystem.cpp b/media/libaudioclient/AudioSystem.cpp
index a467d2c..ee44074 100644
--- a/media/libaudioclient/AudioSystem.cpp
+++ b/media/libaudioclient/AudioSystem.cpp
@@ -2700,13 +2700,13 @@
     return af->setVibratorInfos(vibratorInfos);
 }
 
-status_t AudioSystem::getMmapPolicyInfos(
+status_t AudioSystem::getMmapPolicyInfo(
         AudioMMapPolicyType policyType, std::vector<AudioMMapPolicyInfo> *policyInfos) {
-    const sp<IAudioPolicyService> aps = get_audio_policy_service();
-    if (aps == nullptr) {
+    const sp<IAudioFlinger> af = get_audio_flinger();
+    if (af == nullptr) {
         return PERMISSION_DENIED;
     }
-    return statusTFromBinderStatus(aps->getMmapPolicyInfos(policyType, policyInfos));
+    return af->getMmapPolicyInfos(policyType, policyInfos);
 }
 
 int32_t AudioSystem::getAAudioMixerBurstCount() {
@@ -2803,18 +2803,6 @@
             aps->clearPreferredMixerAttributes(attrAidl, portIdAidl, uidAidl));
 }
 
-status_t AudioSystem::getMmapPolicyForDevice(AudioMMapPolicyType policyType,
-                                             audio_devices_t device,
-                                             AudioMMapPolicyInfo *policyInfo) {
-    const sp<IAudioPolicyService> aps = get_audio_policy_service();
-    if (aps == nullptr) {
-        return PERMISSION_DENIED;
-    }
-    policyInfo->device.type = VALUE_OR_RETURN_STATUS(
-            legacy2aidl_audio_devices_t_AudioDeviceDescription(device));
-    return statusTFromBinderStatus(aps->getMmapPolicyForDevice(policyType, policyInfo));
-}
-
 // ---------------------------------------------------------------------------
 
 int AudioSystem::AudioPolicyServiceClient::addAudioPortCallback(