* Add explicit to conversion constructors/operators Bug: 28341362 Test: make with WITH_TIDY=1 DEFAULT_GLOBAL_TIDY_CHECKS=-*,google-explicit-constructor Change-Id: I59c61af29ab09209c5a4c2bf43b10215bf59756a
Test: No code changes, just ran through clang-format Change-Id: Id23aa4ec7eebc0446fe3a30260f33e7fd455bb8c
Test: unit tests & benchmarks pass/faster Change-Id: I9521432172d6dd6039c5280b1265479a36a86247