Fix bug that voicemail is not shareable during phone call.

Bug: 78491417,80164592
Test: VoicemailPlaybackTest
PiperOrigin-RevId: 200282735
Change-Id: I296b822550f558a8f08d6811bf557d24a52e01d9
diff --git a/java/com/android/dialer/app/voicemail/VoicemailPlaybackPresenter.java b/java/com/android/dialer/app/voicemail/VoicemailPlaybackPresenter.java
index 0c82a63..6d1728f 100644
--- a/java/com/android/dialer/app/voicemail/VoicemailPlaybackPresenter.java
+++ b/java/com/android/dialer/app/voicemail/VoicemailPlaybackPresenter.java
@@ -591,7 +591,6 @@
 
     position = 0;
     isPlaying = false;
-    showShareVoicemailButton(false);
   }
 
   /** After done playing the voicemail clip, reset the clip position to the start. */