Upgrade bazlets to latest stable-2.16 to build with 2.16.11.1 API
Upgrade bazlets to latest stable-2.16 to build with 2.16.11.1 API

Change-Id: I9ad666e0864d4e58acfda6c2886bf84f4f85a095

GerritCodeReview/plugins_admin-console,GerritCodeReview/plugins_admin-console,GerritCodeReview/plugins_admin-console