Changelog:
==========
-Add api_version field to ServiceOptions in google/api/client.proto
-Add LOCATION_POLICY_VIOLATED enum to ErrorReason in google/api/error_reason.proto
-Add rest_reference_documentation_uri field to ServiceOptions in google/api/client.proto
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>