Reland "Add command to pass oem commands to HAL"

Test: make

This reverts commit 2e880493d6a227b050dabc6caa294eea408338ca.
Change-Id: I7cdfa6a01b5d776659dd4e7595915574b341cd9c
Merged-In: I7cdfa6a01b5d776659dd4e7595915574b341cd9c
(cherry picked from commit 3c2443ec29984c7c003e8b21a26fc25ad519475d)
2 files changed