Merge changes Ifeffea05,I966f65a1

* changes:
  Remove uid from NN HIDL adapter
  Create NN AIDL adapter
diff --git a/automotive/evs/OWNERS b/automotive/evs/OWNERS
index 6fc5024..b973e91 100644
--- a/automotive/evs/OWNERS
+++ b/automotive/evs/OWNERS
@@ -1,3 +1,3 @@
+ankitarora@google.com
 changyeon@google.com
-garysungang@google.com
-haoxiangl@google.com
+jwhpryor@google.com
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AudioCapabilities.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AudioCapabilities.aidl
index 43d7911..8ae716f 100644
--- a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AudioCapabilities.aidl
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AudioCapabilities.aidl
@@ -35,6 +35,6 @@
 @VintfStability
 union AudioCapabilities {
   android.hardware.bluetooth.audio.PcmCapabilities pcmCapabilities;
-  android.hardware.bluetooth.audio.CodecCapabilities codecCapabilities;
+  android.hardware.bluetooth.audio.CodecCapabilities a2dpCapabilities;
   android.hardware.bluetooth.audio.LeAudioCodecCapabilitiesSetting leAudioCapabilities;
 }
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AudioConfiguration.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AudioConfiguration.aidl
index 34f7837..50b54c3 100644
--- a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AudioConfiguration.aidl
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AudioConfiguration.aidl
@@ -35,6 +35,6 @@
 @VintfStability
 union AudioConfiguration {
   android.hardware.bluetooth.audio.PcmConfiguration pcmConfig;
-  android.hardware.bluetooth.audio.CodecConfiguration codecConfig;
+  android.hardware.bluetooth.audio.CodecConfiguration a2dpConfig;
   android.hardware.bluetooth.audio.LeAudioConfiguration leAudioConfig;
 }
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/CodecCapabilities.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/CodecCapabilities.aidl
index b451880..e2a08a0 100644
--- a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/CodecCapabilities.aidl
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/CodecCapabilities.aidl
@@ -42,5 +42,6 @@
     android.hardware.bluetooth.audio.AacCapabilities aacCapabilities;
     android.hardware.bluetooth.audio.LdacCapabilities ldacCapabilities;
     android.hardware.bluetooth.audio.AptxCapabilities aptxCapabilities;
+    android.hardware.bluetooth.audio.Lc3Capabilities lc3Capabilities;
   }
 }
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/CodecConfiguration.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/CodecConfiguration.aidl
index 863aee2..34ebd60 100644
--- a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/CodecConfiguration.aidl
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/CodecConfiguration.aidl
@@ -45,5 +45,6 @@
     android.hardware.bluetooth.audio.AacConfiguration aacConfig;
     android.hardware.bluetooth.audio.LdacConfiguration ldacConfig;
     android.hardware.bluetooth.audio.AptxConfiguration aptxConfig;
+    android.hardware.bluetooth.audio.Lc3Configuration lc3Config;
   }
 }
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl
index e389ef3..9a1557a 100644
--- a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl
@@ -38,5 +38,6 @@
   void startStream();
   void stopStream();
   void suspendStream();
-  void updateMetadata(in android.hardware.audio.common.SourceMetadata sourceMetadata);
+  void updateSourceMetadata(in android.hardware.audio.common.SourceMetadata sourceMetadata);
+  void updateSinkMetadata(in android.hardware.audio.common.SinkMetadata sinkMetadata);
 }
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/Lc3Capabilities.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/Lc3Capabilities.aidl
index 3c650da..cc4449a 100644
--- a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/Lc3Capabilities.aidl
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/Lc3Capabilities.aidl
@@ -39,4 +39,5 @@
   int[] frameDurationUs;
   int[] octetsPerFrame;
   byte[] blocksPerSdu;
+  android.hardware.bluetooth.audio.ChannelMode[] channelMode;
 }
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/Lc3Configuration.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/Lc3Configuration.aidl
index ef77da7..7e8dccf 100644
--- a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/Lc3Configuration.aidl
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/Lc3Configuration.aidl
@@ -39,4 +39,5 @@
   int frameDurationUs;
   int octetsPerFrame;
   byte blocksPerSdu;
+  android.hardware.bluetooth.audio.ChannelMode channelMode;
 }
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/AudioCapabilities.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/AudioCapabilities.aidl
index 339c475..a75c445 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/AudioCapabilities.aidl
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/AudioCapabilities.aidl
@@ -26,6 +26,6 @@
 @VintfStability
 union AudioCapabilities {
     PcmCapabilities pcmCapabilities;
-    CodecCapabilities codecCapabilities;
+    CodecCapabilities a2dpCapabilities;
     LeAudioCodecCapabilitiesSetting leAudioCapabilities;
 }
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/AudioConfiguration.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/AudioConfiguration.aidl
index ce515b5..81b41dc 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/AudioConfiguration.aidl
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/AudioConfiguration.aidl
@@ -26,6 +26,6 @@
 @VintfStability
 union AudioConfiguration {
     PcmConfiguration pcmConfig;
-    CodecConfiguration codecConfig;
+    CodecConfiguration a2dpConfig;
     LeAudioConfiguration leAudioConfig;
 }
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/CodecCapabilities.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/CodecCapabilities.aidl
index 0eee8cb..5bf0252 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/CodecCapabilities.aidl
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/CodecCapabilities.aidl
@@ -19,6 +19,7 @@
 import android.hardware.bluetooth.audio.AacCapabilities;
 import android.hardware.bluetooth.audio.AptxCapabilities;
 import android.hardware.bluetooth.audio.CodecType;
+import android.hardware.bluetooth.audio.Lc3Capabilities;
 import android.hardware.bluetooth.audio.LdacCapabilities;
 import android.hardware.bluetooth.audio.SbcCapabilities;
 
@@ -34,6 +35,7 @@
         AacCapabilities aacCapabilities;
         LdacCapabilities ldacCapabilities;
         AptxCapabilities aptxCapabilities;
+        Lc3Capabilities lc3Capabilities;
     }
     CodecType codecType;
     Capabilities capabilities;
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/CodecConfiguration.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/CodecConfiguration.aidl
index fac90f0..9e43f22 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/CodecConfiguration.aidl
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/CodecConfiguration.aidl
@@ -19,6 +19,7 @@
 import android.hardware.bluetooth.audio.AacConfiguration;
 import android.hardware.bluetooth.audio.AptxConfiguration;
 import android.hardware.bluetooth.audio.CodecType;
+import android.hardware.bluetooth.audio.Lc3Configuration;
 import android.hardware.bluetooth.audio.LdacConfiguration;
 import android.hardware.bluetooth.audio.SbcConfiguration;
 
@@ -34,6 +35,7 @@
         AacConfiguration aacConfig;
         LdacConfiguration ldacConfig;
         AptxConfiguration aptxConfig;
+        Lc3Configuration lc3Config;
     }
     CodecType codecType;
     /**
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl
index 50e3197..827f57d 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl
@@ -16,6 +16,7 @@
 
 package android.hardware.bluetooth.audio;
 
+import android.hardware.audio.common.SinkMetadata;
 import android.hardware.audio.common.SourceMetadata;
 import android.hardware.bluetooth.audio.PresentationPosition;
 
@@ -69,5 +70,12 @@
      * @param sourceMetadata Description of the audio that is played by the
      *    clients.
      */
-    void updateMetadata(in SourceMetadata sourceMetadata);
+    void updateSourceMetadata(in SourceMetadata sourceMetadata);
+
+    /**
+     * Called when the metadata of the stream's sink has been changed.
+     *
+     * @param sinkMetadata as passed from Audio Framework
+     */
+    void updateSinkMetadata(in SinkMetadata sinkMetadata);
 }
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/Lc3Capabilities.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/Lc3Capabilities.aidl
index 1aedefd..fc2f382 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/Lc3Capabilities.aidl
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/Lc3Capabilities.aidl
@@ -16,6 +16,8 @@
 
 package android.hardware.bluetooth.audio;
 
+import android.hardware.bluetooth.audio.ChannelMode;
+
 /**
  * Used for Hardware Encoding/Decoding LC3 codec capabilities.
  */
@@ -41,4 +43,8 @@
      * Number of blocks of codec frames per single SDU (Service Data Unit)
      */
     byte[] blocksPerSdu;
+    /*
+     * Channel mode used in A2DP special audio, ignored in standard LE Audio mode
+     */
+    ChannelMode[] channelMode;
 }
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/Lc3Configuration.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/Lc3Configuration.aidl
index 77c04c1..e8a93b2 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/Lc3Configuration.aidl
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/Lc3Configuration.aidl
@@ -16,6 +16,8 @@
 
 package android.hardware.bluetooth.audio;
 
+import android.hardware.bluetooth.audio.ChannelMode;
+
 /**
  * Used for Hardware Encoding/Decoding LC3 codec configuration.
  */
@@ -41,4 +43,8 @@
      * Number of blocks of codec frames per single SDU (Service Data Unit)
      */
     byte blocksPerSdu;
+    /*
+     * Channel mode used in A2DP special audio, ignored in standard LE Audio mode
+     */
+    ChannelMode channelMode;
 }
diff --git a/ir/aidl/aidl_api/android.hardware.ir/current/android/hardware/ir/IConsumerIr.aidl b/ir/aidl/aidl_api/android.hardware.ir/current/android/hardware/ir/IConsumerIr.aidl
index 056a8b1..07bf4b4 100644
--- a/ir/aidl/aidl_api/android.hardware.ir/current/android/hardware/ir/IConsumerIr.aidl
+++ b/ir/aidl/aidl_api/android.hardware.ir/current/android/hardware/ir/IConsumerIr.aidl
@@ -35,5 +35,5 @@
 @VintfStability
 interface IConsumerIr {
   android.hardware.ir.ConsumerIrFreqRange[] getCarrierFreqs();
-  void transmit(in int carrierFreq, in int[] pattern);
+  void transmit(in int carrierFreqHz, in int[] pattern);
 }
diff --git a/ir/aidl/android/hardware/ir/IConsumerIr.aidl b/ir/aidl/android/hardware/ir/IConsumerIr.aidl
index d14fa56..f6f9742 100644
--- a/ir/aidl/android/hardware/ir/IConsumerIr.aidl
+++ b/ir/aidl/android/hardware/ir/IConsumerIr.aidl
@@ -23,23 +23,21 @@
     /**
      * Enumerates which frequencies the IR transmitter supports.
      *
-     * Status OK (EX_NONE) on success.
-     *
      * @return - an array of all supported frequency ranges.
      */
     ConsumerIrFreqRange[] getCarrierFreqs();
 
     /**
      * Sends an IR pattern at a given frequency in HZ.
-     *
-     * The pattern is alternating series of carrier on and off periods measured in
-     * microseconds. The carrier should be turned off at the end of a transmit
-     * even if there are and odd number of entries in the pattern array.
-     *
      * This call must return when the transmit is complete or encounters an error.
      *
-     * Status OK (EX_NONE) on success.
-     * EX_UNSUPPORTED_OPERATION when the frequency is not supported.
+     * @param carrierFreq - Frequency of the transmission in HZ.
+     *
+     * @param pattern - Alternating series of on and off periods measured in
+     * microseconds. The carrier should be turned off at the end of a transmit
+     * even if there are an odd number of entries in the pattern array.
+     *
+     * @throws EX_UNSUPPORTED_OPERATION when the frequency is not supported.
      */
-    void transmit(in int carrierFreq, in int[] pattern);
+    void transmit(in int carrierFreqHz, in int[] pattern);
 }
diff --git a/ir/aidl/default/main.cpp b/ir/aidl/default/main.cpp
index 764aeaf..7c4a816 100644
--- a/ir/aidl/default/main.cpp
+++ b/ir/aidl/default/main.cpp
@@ -30,7 +30,7 @@
 
 class ConsumerIr : public BnConsumerIr {
     ::ndk::ScopedAStatus getCarrierFreqs(std::vector<ConsumerIrFreqRange>* _aidl_return) override;
-    ::ndk::ScopedAStatus transmit(int32_t in_carrierFreq,
+    ::ndk::ScopedAStatus transmit(int32_t in_carrierFreqHz,
                                   const std::vector<int32_t>& in_pattern) override;
 };
 
@@ -46,9 +46,9 @@
     return false;
 }
 
-::ndk::ScopedAStatus ConsumerIr::transmit(int32_t in_carrierFreq,
+::ndk::ScopedAStatus ConsumerIr::transmit(int32_t in_carrierFreqHz,
                                           const std::vector<int32_t>& in_pattern) {
-    if (isSupportedFreq(in_carrierFreq)) {
+    if (isSupportedFreq(in_carrierFreqHz)) {
         // trasmit the pattern, each integer is number of microseconds in an
         // alternating on/off state.
         usleep(std::accumulate(in_pattern.begin(), in_pattern.end(), 0));