[automerger skipped] Add ramdisk_available to init_first_stage's deps am: 0dc13d3929 am: 5ffec3ee3b -s ours

am skip reason: Merged-In I9d5a1066103ae578fd085d0db2201b4650ca7827 with SHA-1 0dc13d3929 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/modp_b64/+/15068265

Change-Id: I1db4fa282acb2becb3cb5e025922b57c85c324f1