Clear binder id before checking if LOHS can be created

Checking if LOHS can be created calls into HDM priority logic, which
requires permissions to check each requestor worksource's priority.
Make sure to clear the binder calling id so we check the binder thread's
permissions instead of the calling app's.

Bug: 287889550
Test: atest WifiServiceImplTest
Change-Id: Ifdc4b4b37b7d8def0a0f8f0433c695b6df7911c0
1 file changed