Reduce blocking time when waiting for CharacteristicWrite queue to clear
up.

Bug: 200073240
Test: manual build
Change-Id: I62070a5789809c363dba3cb4f0d007d17e3a9ef8
1 file changed
tree: 7f99e5e796a3ee32d60f211470b6321007d28a9a
  1. framework/
  2. service/