We added custom properties that are only used on ChromeOS and to avoid
having to bloat the sepolicy for all of Android we are adding a check
here so that we only query the properties on ChromeOS based on the
bertha hardware property.
Bug: b:237492145
Test: Access denied message is gone w/ ExoPlayer
Change-Id: I3a5781ad980dfae2e16501b655386287b5e245b7
(cherry picked from commit 890f71ef367aed683a89892000e40d0e0ca6fbdd)
(cherry picked from commit 4379b0545a2ae866ba9fc315551a5534fa163924)
06c1343153