Create the rollback directories in init

Init sets the encryption policy on these directores when created.

Bug: b/139193659
Test: Boot device without this, then try to boot with it without wiping.
Cherrypicked-From: 7bf42f148a1ad0dd0a33ccf4f1c73fc603ff4194
Change-Id: I6b26710674b51d62fa4a07b06e06c539571fb7ac
Merged-In: I6b26710674b51d62fa4a07b06e06c539571fb7ac
1 file changed