Revert "Remove the OEM hook implementation and usage"

This reverts commit 301c093c7dbe1e73af29639f4eb5c168f53fbfbb.

Bug: 34344851
Test: Treehugger
Change-Id: I4a207494826968ba7470f279c7a4b3c136c3ba8e
Merged-In: I4a207494826968ba7470f279c7a4b3c136c3ba8e
(cherry picked from commit bf4c539b987deed45e4e918ad8c31865e574f836)
1 file changed