GitLab

Added UIA_IsDialogPropertyID to AxPlatformNodeWin::GetPropertyValue and
associated unittests.

Bug: 844149
Change-Id: Iebdc0a6227022bb27c355b799f40a9480d3ee7e5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1757887Reviewed-by: Ian Prest <iapres@microsoft.com>
Reviewed-by: Aaron Leventhal <aleventhal@chromium.org>
Commit-Queue: Ian Prest <iapres@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#688668}