Add properties to set the number of pre-created users for car.

Bug: 111451156
Bug: 132111956

Test: manual verification on automotive's reference implementation

Merged-In: I94b6ddeb82d9d5d2923dcca5ae4f3de56985a7a6
Change-Id: I94b6ddeb82d9d5d2923dcca5ae4f3de56985a7a6
(cherry picked from commit 7561a3bae48f361580423830464ba384b820d1fa)
1 file changed
tree: 2ecdd7896e6af5af24bef36e5a2e31673117cb40
  1. srcs/
  2. OWNERS