Make certain BluetoothProfile constants being used by CarBluetoothTest
into @SystemApi

Bug: 146663105
Test: Manual
Change-Id: Ic474a85c17b69c71cf24b06d0262c13b3b8142fe
diff --git a/framework/java/android/bluetooth/BluetoothProfile.java b/framework/java/android/bluetooth/BluetoothProfile.java
index 638e6de..7538df8 100644
--- a/framework/java/android/bluetooth/BluetoothProfile.java
+++ b/framework/java/android/bluetooth/BluetoothProfile.java
@@ -146,7 +146,7 @@
      *
      * @hide
      */
-    @UnsupportedAppUsage
+    @SystemApi
     int A2DP_SINK = 11;
 
     /**
@@ -154,7 +154,7 @@
      *
      * @hide
      */
-    @UnsupportedAppUsage
+    @SystemApi
     int AVRCP_CONTROLLER = 12;
 
     /**
@@ -169,6 +169,7 @@
      *
      * @hide
      */
+    @SystemApi
     int HEADSET_CLIENT = 16;
 
     /**
@@ -176,6 +177,7 @@
      *
      * @hide
      */
+    @SystemApi
     int PBAP_CLIENT = 17;
 
     /**