[bluetooth][win] Force uncached descriptor value reads

This is a follow-up to r614437 which updates ReadRemoteDescriptor() to also use
the uncached variant of the ReadValueAsync() function so as not to return a
stale value.

Bug: 904114
Change-Id: Ifb7e0be25f799eadc4f1e65aea6c6c5850649019
Reviewed-on: https://chromium-review.googlesource.com/c/1366321
Reviewed-by: Jan Wilken Dörrie <jdoerrie@chromium.org>
Commit-Queue: Reilly Grant <reillyg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#614529}
2 files changed