Deprecate TelephonyManager.getCellLocation()

This API has been long-marked for deprecation. It has numerous problems:
-It does not support LTE
-It returns a limited subset of information
-It uses old (and poorly-chosen) sentinel values for fields that are
 not provided.

Bug: 36076138
Test: compilation
Change-Id: I87004710e5d046d4534ad3a0a938540440b0e83b