bullhead: Fixerd SBM's voicemail number

Bug: 24555162
Change-Id: I988155e807d2357968e8826828af0d1019578010
diff --git a/overlay/frameworks/base/core/res/res/values-mcc440-mnc20/config.xml b/overlay/frameworks/base/core/res/res/values-mcc440-mnc20/config.xml
index 9fd1b57..e8a82d5 100644
--- a/overlay/frameworks/base/core/res/res/values-mcc440-mnc20/config.xml
+++ b/overlay/frameworks/base/core/res/res/values-mcc440-mnc20/config.xml
@@ -23,7 +23,7 @@
 
     <string-array translatable="false" name="config_default_vm_number">
         <!-- SBM -->
-        <item>09066517000</item>
+        <item>1416</item>
     </string-array>
 
     <!-- Set initial MaxRetry value for operators -->