Update gtm-session-fetcher dep to pick up watchOS support.
Update gtm-session-fetcher dep to pick up watchOS support.

google/google-api-objectivec-client-for-rest,google/google-api-objectivec-client-for-rest,google/google-api-objectivec-client-for-rest,google/google-api-objectivec-client-for-rest,google/google-api-objectivec-client-for-rest