Make VNDK APEX as bootstrap APEX

VNDK is required for early vendor processes(e.g. keymaster).
If 'ro.vndk.version' is set, corresponding version of VNDK APEX
is activated.

Bug: 141451661
Test: m && boot (tested with cuttlefish)
Change-Id: Ibb98aa1b1786b8cc2389ab5621a003b4285778b0
1 file changed