Merge "fs_mgr: Copy the blk_device from start_idx to current index" am:...

Merge "fs_mgr: Copy the blk_device from start_idx to current index" am: 3eb67e88 am: f9c8dce0 am: 6f34dc26 am: 33c93b56

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2177122



Change-Id: I90e54ef3f0e34b43669109e9240ffc4f83d4ec5a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>