Merge changes from topic "phone-constants-telecom" am: d982f6c3bb am: f4fafdbd69 am: ce94e0b7da

Change-Id: Id00cd3fe7b7f63115de1332892fc5837ee990ca0
diff --git a/telecomm/java/android/telecom/TelecomManager.java b/telecomm/java/android/telecom/TelecomManager.java
index c4c1e21..c3fb510 100644
--- a/telecomm/java/android/telecom/TelecomManager.java
+++ b/telecomm/java/android/telecom/TelecomManager.java
@@ -849,6 +849,17 @@
      */
     public static final int PRESENTATION_PAYPHONE = 4;
 
+
+    /*
+     * Values for the adb property "persist.radio.videocall.audio.output"
+     */
+    /** @hide */
+    public static final int AUDIO_OUTPUT_ENABLE_SPEAKER = 0;
+    /** @hide */
+    public static final int AUDIO_OUTPUT_DISABLE_SPEAKER = 1;
+    /** @hide */
+    public static final int AUDIO_OUTPUT_DEFAULT = AUDIO_OUTPUT_ENABLE_SPEAKER;
+
     /** @hide */
     @Retention(RetentionPolicy.SOURCE)
     @IntDef(