am fa53c934: Merge "Use TelecomManager to call TelephonyManager#getVoicemailNumber (1/2)" into lmp-mr1-dev

* commit 'fa53c93462ba273fb645831422c74d29e748519c':
  Use TelecomManager to call TelephonyManager#getVoicemailNumber (1/2)

telecomm/java/android/telecom/TelecomManager.java

@@ -731,6 +731,26 @@ public class TelecomManager {
         return false;
     }
 
+    /**
+     * Return whether a given phone account has a voicemail number configured.
+     *
+     * @param accountHandle The handle for the account to check for a voicemail number.
+     * @return {@code true} If the given phone account has a voicemail number.
+     *
+     * @hide
+     */
+    @SystemApi
+    public boolean hasVoiceMailNumber(PhoneAccountHandle accountHandle) {
+        try {
+            if (isServiceConnected()) {
+                return getTelecomService().hasVoiceMailNumber(accountHandle);
+            }
+        } catch (RemoteException e) {
+            Log.e(TAG, "RemoteException calling isInCall().", e);
+        }
+        return false;
+    }
+
     /**
      * Returns whether there is an ongoing phone call (can be in dialing, ringing, active or holding
      * states).

telecomm/java/com/android/internal/telecom/ITelecomService.aidl

@@ -120,6 +120,11 @@ interface ITelecomService {
      */
     boolean isVoiceMailNumber(in PhoneAccountHandle accountHandle, String number);
 
+    /**
+     * @see TelecomServiceImpl#hasVoiceMailNumber
+     */
+    boolean hasVoiceMailNumber(in PhoneAccountHandle accountHandle);
+
     /**
      * @see TelecomServiceImpl#getDefaultPhoneApp
      */