(non-HIP x non-string) Change accesses of abcl-owned flags to use base::(Set|Get)Flag as part of migrating them to Flags v2.  See go/abcl-flag-access-lsc for more information.
(non-HIP x non-string) Change accesses of abcl-owned flags to use
base::(Set|Get)Flag as part of migrating them to Flags v2.  See
go/abcl-flag-access-lsc for more information.

Tested:
    TAP train for global presubmit queue
    http://test/OCL:151886030:BASE:151894959:1491042540235:3901da6
    Some tests failed; test failures are believed to be unrelated to this CL

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=152505454

GoogleCloudPlatform/cloud-debug-java,GoogleCloudPlatform/cloud-debug-java,GoogleCloudPlatform/cloud-debug-java,GoogleCloudPlatform/cloud-debug-java