[DO NOT MERGE] Revert "Fix KeyStoreClientImpl::doesKeyExist to return correct result"

Bug:117993149
This reverts commit cb77797d66523188e0b9929274b290c0c8db3083.

Reason for revert: removing this from May QPR & pi-dev.

Change-Id: I55eb358bd8ea8c82521ac07dbf37f4895fe3e8e9
(cherry picked from commit fab0e5d8e06fe23864c4f89df89271f8a55715a8)
1 file changed