Move contacts common LetterTile class into its own package.

A subsequent change will move the ContactPhotoManager related code,
eventually enabling the removal of contacts/common.

Bug: 37208805
Test: TAP
PiperOrigin-RevId: 161724700
Change-Id: Ice0789951ae544f6e27bcdaab0c032b218c83613
diff --git a/java/com/android/incallui/StatusBarNotifier.java b/java/com/android/incallui/StatusBarNotifier.java
index 53017a1..cf564c6 100644
--- a/java/com/android/incallui/StatusBarNotifier.java
+++ b/java/com/android/incallui/StatusBarNotifier.java
@@ -60,8 +60,6 @@
 import android.text.style.ForegroundColorSpan;
 import com.android.contacts.common.ContactsUtils;
 import com.android.contacts.common.ContactsUtils.UserType;
-import com.android.contacts.common.lettertiles.LetterTileDrawable;
-import com.android.contacts.common.lettertiles.LetterTileDrawable.ContactType;
 import com.android.contacts.common.preference.ContactsPreferences;
 import com.android.contacts.common.util.BitmapUtil;
 import com.android.contacts.common.util.ContactDisplayUtils;
@@ -69,6 +67,8 @@
 import com.android.dialer.configprovider.ConfigProviderBindings;
 import com.android.dialer.enrichedcall.EnrichedCallManager;
 import com.android.dialer.enrichedcall.Session;
+import com.android.dialer.lettertile.LetterTileDrawable;
+import com.android.dialer.lettertile.LetterTileDrawable.ContactType;
 import com.android.dialer.multimedia.MultimediaData;
 import com.android.dialer.notification.NotificationChannelId;
 import com.android.dialer.oem.MotorolaUtils;