fs_mgr: init: adb: add fstab argument to fs_mgr_overlayfs_mount_all

Add an fstab argument for fs_mgr_overlayfs_mount_all so that it can
leverage the locally and timely acquired fstab entries.  Affects all
callers, adb and init.

Test: manual
Bug: 109821005
Bug: 115751838
Change-Id: I96e2045d88525a6ce39bef63327a0fcf0704e9bc