boringssl: Delegate to conscrypt OWNERS.

Lists of individual owners tend to become obsolete quickly
as people move between teams. Delegating to conscrypt OWNERS
ensures that enough owners are available and that they stay
up-to-date.

Also, added Conscrypt's component ID for bugs.

Bug: 147092934
Test: Treehugger
Change-Id: Ia904a634bf7e7213077ffe22e478d1e8e5bd501f
1 file changed