Pass non-null message of window op to AppOps

If the window op is classified as OP_SYSTEM_ALERT_WINDOW
(map to a dangerous/appop level permission), the default
message will be callstack that causes overhead.

Also change the window op related usages to the recommended
(not deprecated) ones.

Bug: 139522754
Test: atest WindowAddRemovePerfTest
Change-Id: I9cf0561dd5877ee05dbb61c8ced25e2eba09b691