Make TelecomManager APIs compatible with Lollipop. (1/3)

+ Add methods to TelecomManagerCompat
- Move TelecomManagerCompat to ContactsCommon because it is called
  within ContactsCommon
- Move TestTelecomCallLogCache to the right package so tests pass

Bug: 25776171

Change-Id: I1963959292d8038ab505488d831afd06e6fef6d0