Enable early exit from ScanDevices when target MAC is found

This speeds up the PairWithBase test, because it can begin
pairing as soon as the known MAC is found instead of waiting
for the scan to complete. Do not merge to master.

BUG=none
TEST=manual

Change-Id: I5f4b99cea3be4c632053ed4856f454baaf262dcb
Reviewed-on: https://chromium-review.googlesource.com/246910
Reviewed-by: Peter Ammon <pca@chromium.org>
Commit-Queue: Peter Ammon <pca@chromium.org>
Tested-by: Peter Ammon <pca@chromium.org>
1 file changed