Move the CallManager registerPhone into GsmCdmaPhone

After the user enable DSDS, the CallManager doesn't register the
new phone. It causes the new phone can't notify mmi dialog.

Fix: 173704265
Test: atest GsmCdmaPhoneTest (PASS)
Manual test: enable DSDS, then call *135#. (PASS)

Change-Id: Ide13656be4612c3249f7248190af1c3919932ad5
diff --git a/src/com/android/phone/ b/src/com/android/phone/
index be1872f..0971754 100644
--- a/src/com/android/phone/
+++ b/src/com/android/phone/
@@ -363,9 +363,6 @@
             mCM = CallManager.getInstance();
-            for (Phone phone : PhoneFactory.getPhones()) {
-                mCM.registerPhone(phone);
-            }
             // Create the NotificationMgr singleton, which is used to display
             // status bar icons and control other status bar behavior.