Move voicemail settings to dialer UI

The voicemail module should not contain any UI code.

Bug: 37258159
Test: DialerSettingsActivityTest,VoicemailSettingsFragmentTest. A future CL is refactoring VoicemailChangePinActivity into a fragment.
PiperOrigin-RevId: 174125949
Change-Id: I89cf6a083b0a0952332440d76e7ae0cb1c801931
diff --git a/Android.mk b/Android.mk
index bb37068..094ad5a 100644
--- a/Android.mk
+++ b/Android.mk
@@ -129,6 +129,7 @@
 	com.android.dialer.theme \
 	com.android.dialer.util \
 	com.android.dialer.voicemail.listui \
+        com.android.dialer.voicemail.settings \
 	com.android.dialer.voicemailstatus \
 	com.android.dialer.widget \
 	com.android.incallui \