Indicate call wait state in call title instead of only showing a toast.

JIRA: CYAN-488
Change-Id: I7747e82a2df2e2049648253819a48f018de5bc37
Merge "Indicate call wait state in call title instead of only showing a toast." into cm-10.1
Merge remote-tracking branch 'cm/cm-10.1' into cm-10.1