Add more owners to c/b/ui/webui/bluetooth_internals/OWNERS.

Link it to device/bluetooth/OWNERS.

Change-Id: I368888c62b22883162bfbf4af7d62afef2a0811c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2079164Reviewed-by: Reilly Grant <reillyg@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#746103}

chrome/browser/ui/webui/bluetooth_internals/OWNERS

+file://device/bluetooth/OWNERS
+
 per-file *.mojom=set noparent
 per-file *.mojom=file://ipc/SECURITY_OWNERS