* Initial protobuf support, maildir logging
Fix build issues in the integration test
Deduped some test code
Formatting
Address feedback from draft PR
Removed legacy labels. Updated docs.
Add in metrics. Fix protobuf logging test.
* Now use the Any proto for the LogBatch wrapper
* Changes based on PR feedback
* Added gauge metrics for spool dir
* Formatting
* Add event time to proto
* Fix build issue after rebase
* Update BUILD rules
* Updated language around protobuf logging to mark as beta
* USB mass storage blocking.
* Add the sync service and config key for enabling mass USB storage blocking
* Update docs with the sync service key
* Add ability to forcibly remount USBs with different flags
* update EndpointSecurityTestUtil and tests that use it to properly handle multiple ES clients
* Remove use of entitlements field for santad
* Create a local keychain instead of using the system keychain and drop sudo from most of the build stages