[automerger skipped] Merge "Revert "Add ramdisk_available to init_first_stage's deps"" into sc-dev am: 04206a96c8 -s ours

am skip reason: Merged-In I0a9ba90f0ae6f0b551e73d0a4361b8cf5d2c1e85 with SHA-1 3cce62a6b4 is already in history. Merged-In was found from reverted change.

Reverted change: https://googleplex-android-review.googlesource.com/c/platform/system/update_engine/+/15067039

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/update_engine/+/15167755

Change-Id: I495a94472d40ba39bf2380ccb9dc2bf30fb5b079