Merge "[CDM] Add trunk stable flags for companion transports" into main
diff --git a/core/api/module-lib-current.txt b/core/api/module-lib-current.txt
index b5d3ed7..2af3c34 100644
--- a/core/api/module-lib-current.txt
+++ b/core/api/module-lib-current.txt
@@ -6,7 +6,7 @@
     field public static final String CONTROL_AUTOMOTIVE_GNSS = "android.permission.CONTROL_AUTOMOTIVE_GNSS";
     field public static final String GET_INTENT_SENDER_INTENT = "android.permission.GET_INTENT_SENDER_INTENT";
     field public static final String MAKE_UID_VISIBLE = "android.permission.MAKE_UID_VISIBLE";
-    field public static final String USE_COMPANION_TRANSPORTS = "android.permission.USE_COMPANION_TRANSPORTS";
+    field @FlaggedApi("android.companion.flags.companion_transport_apis") public static final String USE_COMPANION_TRANSPORTS = "android.permission.USE_COMPANION_TRANSPORTS";
   }
 
 }
@@ -85,21 +85,21 @@
 package android.companion {
 
   public final class CompanionDeviceManager {
-    method @RequiresPermission(android.Manifest.permission.USE_COMPANION_TRANSPORTS) public void addOnMessageReceivedListener(@NonNull java.util.concurrent.Executor, int, @NonNull android.companion.CompanionDeviceManager.OnMessageReceivedListener);
-    method @RequiresPermission(android.Manifest.permission.USE_COMPANION_TRANSPORTS) public void addOnTransportsChangedListener(@NonNull java.util.concurrent.Executor, @NonNull android.companion.CompanionDeviceManager.OnTransportsChangedListener);
-    method @RequiresPermission(android.Manifest.permission.USE_COMPANION_TRANSPORTS) public void removeOnMessageReceivedListener(int, @NonNull android.companion.CompanionDeviceManager.OnMessageReceivedListener);
-    method @RequiresPermission(android.Manifest.permission.USE_COMPANION_TRANSPORTS) public void removeOnTransportsChangedListener(@NonNull android.companion.CompanionDeviceManager.OnTransportsChangedListener);
-    method @RequiresPermission(android.Manifest.permission.USE_COMPANION_TRANSPORTS) public void sendMessage(int, @NonNull byte[], @NonNull int[]);
-    field public static final int MESSAGE_REQUEST_CONTEXT_SYNC = 1667729539; // 0x63678883
-    field public static final int MESSAGE_REQUEST_PERMISSION_RESTORE = 1669491075; // 0x63826983
-    field public static final int MESSAGE_REQUEST_REMOTE_AUTHENTICATION = 1669494629; // 0x63827765
+    method @FlaggedApi("android.companion.companion_transport_apis") @RequiresPermission(android.Manifest.permission.USE_COMPANION_TRANSPORTS) public void addOnMessageReceivedListener(@NonNull java.util.concurrent.Executor, int, @NonNull android.companion.CompanionDeviceManager.OnMessageReceivedListener);
+    method @FlaggedApi("android.companion.companion_transport_apis") @RequiresPermission(android.Manifest.permission.USE_COMPANION_TRANSPORTS) public void addOnTransportsChangedListener(@NonNull java.util.concurrent.Executor, @NonNull android.companion.CompanionDeviceManager.OnTransportsChangedListener);
+    method @FlaggedApi("android.companion.companion_transport_apis") @RequiresPermission(android.Manifest.permission.USE_COMPANION_TRANSPORTS) public void removeOnMessageReceivedListener(int, @NonNull android.companion.CompanionDeviceManager.OnMessageReceivedListener);
+    method @FlaggedApi("android.companion.companion_transport_apis") @RequiresPermission(android.Manifest.permission.USE_COMPANION_TRANSPORTS) public void removeOnTransportsChangedListener(@NonNull android.companion.CompanionDeviceManager.OnTransportsChangedListener);
+    method @FlaggedApi("android.companion.companion_transport_apis") @RequiresPermission(android.Manifest.permission.USE_COMPANION_TRANSPORTS) public void sendMessage(int, @NonNull byte[], @NonNull int[]);
+    field @FlaggedApi("android.companion.companion_transport_apis") public static final int MESSAGE_REQUEST_CONTEXT_SYNC = 1667729539; // 0x63678883
+    field @FlaggedApi("android.companion.companion_transport_apis") public static final int MESSAGE_REQUEST_PERMISSION_RESTORE = 1669491075; // 0x63826983
+    field @FlaggedApi("android.companion.companion_transport_apis") public static final int MESSAGE_REQUEST_REMOTE_AUTHENTICATION = 1669494629; // 0x63827765
   }
 
-  public static interface CompanionDeviceManager.OnMessageReceivedListener {
+  @FlaggedApi("android.companion.companion_transport_apis") public static interface CompanionDeviceManager.OnMessageReceivedListener {
     method public void onMessageReceived(int, @NonNull byte[]);
   }
 
-  public static interface CompanionDeviceManager.OnTransportsChangedListener {
+  @FlaggedApi("android.companion.companion_transport_apis") public static interface CompanionDeviceManager.OnTransportsChangedListener {
     method public void onTransportsChanged(@NonNull java.util.List<android.companion.AssociationInfo>);
   }
 
diff --git a/core/api/test-current.txt b/core/api/test-current.txt
index 384b957..df556a8 100644
--- a/core/api/test-current.txt
+++ b/core/api/test-current.txt
@@ -857,7 +857,7 @@
 
   public final class CompanionDeviceManager {
     method @RequiresPermission("android.permission.MANAGE_COMPANION_DEVICES") public void enableSecureTransport(boolean);
-    field public static final int MESSAGE_REQUEST_PING = 1669362552; // 0x63807378
+    field @FlaggedApi("android.companion.companion_transport_apis") public static final int MESSAGE_REQUEST_PING = 1669362552; // 0x63807378
   }
 
   public abstract class CompanionDeviceService extends android.app.Service {
diff --git a/core/java/android/companion/CompanionDeviceManager.java b/core/java/android/companion/CompanionDeviceManager.java
index a84845a..dbc67fc 100644
--- a/core/java/android/companion/CompanionDeviceManager.java
+++ b/core/java/android/companion/CompanionDeviceManager.java
@@ -23,6 +23,7 @@
 import static android.annotation.SystemApi.Client.MODULE_LIBRARIES;
 
 import android.annotation.CallbackExecutor;
+import android.annotation.FlaggedApi;
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
@@ -216,12 +217,14 @@
      *
      * @hide
      */
+    @FlaggedApi(Flags.FLAG_COMPANION_TRANSPORT_APIS)
     @TestApi public static final int MESSAGE_REQUEST_PING = 0x63807378; // ?PIN
     /**
      * Message header assigned to the remote authentication handshakes.
      *
      * @hide
      */
+    @FlaggedApi(Flags.FLAG_COMPANION_TRANSPORT_APIS)
     @SystemApi(client = MODULE_LIBRARIES)
     public static final int MESSAGE_REQUEST_REMOTE_AUTHENTICATION = 0x63827765; // ?RMA
     /**
@@ -229,6 +232,7 @@
      *
      * @hide
      */
+    @FlaggedApi(Flags.FLAG_COMPANION_TRANSPORT_APIS)
     @SystemApi(client = MODULE_LIBRARIES)
     public static final int MESSAGE_REQUEST_CONTEXT_SYNC = 0x63678883; // ?CXS
     /**
@@ -236,6 +240,7 @@
      *
      * @hide
      */
+    @FlaggedApi(Flags.FLAG_COMPANION_TRANSPORT_APIS)
     @SystemApi(client = MODULE_LIBRARIES)
     public static final int MESSAGE_REQUEST_PERMISSION_RESTORE = 0x63826983; // ?RES
 
@@ -873,6 +878,7 @@
      *
      * @hide
      */
+    @FlaggedApi(Flags.FLAG_COMPANION_TRANSPORT_APIS)
     @SystemApi(client = MODULE_LIBRARIES)
     public interface OnTransportsChangedListener {
         /**
@@ -892,6 +898,7 @@
      *
      * @hide
      */
+    @FlaggedApi(Flags.FLAG_COMPANION_TRANSPORT_APIS)
     @SystemApi(client = MODULE_LIBRARIES)
     @RequiresPermission(android.Manifest.permission.USE_COMPANION_TRANSPORTS)
     public void addOnTransportsChangedListener(
@@ -913,6 +920,7 @@
      *
      * @hide
      */
+    @FlaggedApi(Flags.FLAG_COMPANION_TRANSPORT_APIS)
     @SystemApi(client = MODULE_LIBRARIES)
     @RequiresPermission(android.Manifest.permission.USE_COMPANION_TRANSPORTS)
     public void removeOnTransportsChangedListener(
@@ -934,6 +942,7 @@
      *
      * @hide
      */
+    @FlaggedApi(Flags.FLAG_COMPANION_TRANSPORT_APIS)
     @SystemApi(client = MODULE_LIBRARIES)
     @RequiresPermission(android.Manifest.permission.USE_COMPANION_TRANSPORTS)
     public void sendMessage(int messageType, @NonNull byte[] data, @NonNull int[] associationIds) {
@@ -951,6 +960,7 @@
      *
      * @hide
      */
+    @FlaggedApi(Flags.FLAG_COMPANION_TRANSPORT_APIS)
     @SystemApi(client = MODULE_LIBRARIES)
     public interface OnMessageReceivedListener {
         /**
@@ -964,6 +974,7 @@
      *
      * @hide
      */
+    @FlaggedApi(Flags.FLAG_COMPANION_TRANSPORT_APIS)
     @SystemApi(client = MODULE_LIBRARIES)
     @RequiresPermission(android.Manifest.permission.USE_COMPANION_TRANSPORTS)
     public void addOnMessageReceivedListener(
@@ -983,6 +994,7 @@
      *
      * @hide
      */
+    @FlaggedApi(Flags.FLAG_COMPANION_TRANSPORT_APIS)
     @SystemApi(client = MODULE_LIBRARIES)
     @RequiresPermission(android.Manifest.permission.USE_COMPANION_TRANSPORTS)
     public void removeOnMessageReceivedListener(int messageType,
diff --git a/core/java/android/companion/flags.aconfig b/core/java/android/companion/flags.aconfig
index b9e5609..1b4234b 100644
--- a/core/java/android/companion/flags.aconfig
+++ b/core/java/android/companion/flags.aconfig
@@ -5,4 +5,11 @@
     namespace: "companion"
     description: "Controls if the new Builder is exposed to test apis."
     bug: "296251481"
+}
+
+flag {
+    name: "companion_transport_apis"
+    namespace: "companion"
+    description: "Grants access to the companion transport apis."
+    bug: "288297505"
 }
\ No newline at end of file
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index b73a765..6daa5b9 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -5668,7 +5668,8 @@
                 android:description="@string/permdesc_deliverCompanionMessages"
                 android:protectionLevel="normal" />
 
-    <!-- @hide @SystemApi(client=android.annotation.SystemApi.Client.MODULE_LIBRARIES)
+    <!-- @hide @FlaggedApi("android.companion.flags.companion_transport_apis")
+         @SystemApi(client=android.annotation.SystemApi.Client.MODULE_LIBRARIES)
          Allows an application to send and receive messages via CDM transports.
     -->
     <permission android:name="android.permission.USE_COMPANION_TRANSPORTS"