Sms and call log entry content description string fixes

* This is incremental work to fixing TalkBack for
  all phone number Strings
* Date was being added twice to the call log content
  description string
* Use xliff tags for all parts of both the sms and call log
  content description strings
* Removed an unnecessary ExpandingEntryCardView constructor

Bug 17322140

Change-Id: Iccc39dad5dcc3fc7f8079de439b07d306b6c24e3