Hang up all calls if the UI crashes.

bug:10823938
Change-Id: I417b4f4e1351efd65de65edaedd778115e605cd1
diff --git a/src/com/android/phone/PhoneGlobals.java b/src/com/android/phone/PhoneGlobals.java
index 6744d33..5474a62 100644
--- a/src/com/android/phone/PhoneGlobals.java
+++ b/src/com/android/phone/PhoneGlobals.java
@@ -651,6 +651,10 @@
         return callModeler;
     }
 
+    /* package */ CallManager getCallManager() {
+        return mCM;
+    }
+
     /**
      * Returns an Intent that can be used to go to the "Call log"
      * UI (aka CallLogActivity) in the Contacts app.