Don't transcribe voicemail unless carrier allows OTT transcription

Added a carrier config and check to see if the carrier allows over
the top voicemail transcription, and if not do not attempt transcription.

Bug: 68951869
Test: manual and unit test
PiperOrigin-RevId: 176065849
Change-Id: I69df1f2867420d7fdcc7f0a31e0e6c26da67abb1

1 files changed, 8 insertions, 1 deletions

diff --git a/java/com/android/voicemail/VoicemailClient.java b/java/com/android/voicemail/VoicemailClient.java
index 050286a41..db5d74555 100644
--- a/java/com/android/voicemail/VoicemailClient.java
+++ b/java/com/android/voicemail/VoicemailClient.java
@@ -177,5 +177,12 @@ public interface VoicemailClient {
   /** Provides interface to change the PIN used to access the mailbox by calling. */
   PinChanger createPinChanger(Context context, PhoneAccountHandle phoneAccountHandle);
 
-  void onTosAccepted(Context context);
+  void onTosAccepted(Context context, PhoneAccountHandle phoneAccountHandle);
+
+  /**
+   * @return arbitrary carrier configuration String value associate with the indicated key. See
+   *     {@code CarrierConfigKeys.java}
+   */
+  @Nullable
+  String getCarrierConfigString(Context context, PhoneAccountHandle phoneAccountHandle, String key);
 }