ANDROID: GKI: of: property: Ignore properties that start with "qcom,"

A lot of "qcom," properties accidentally match some of the generic suffix
based DT properties. So, ignore all properties that start with "qcom,"

Bug: 144864161
Signed-off-by: Saravana Kannan <saravanak@google.com>
Signed-off-by: Will McVicker <willmcvicker@google.com>
(cherry picked from commit 68ef04dbaee376443a7d557c88ddd34dc0157919)
Change-Id: I8c8c6336cd4387ba51aaeaf447979eba27e0d5c0