[automerger skipped] Add ramdisk_available to init_first_stage's deps am: 2ec8157adc -s ours am: cf9642a03d -s ours

am skip reason: Merged-In I8bdb8dda3417aa0ab01f22c4103a9d2e52baf529 with SHA-1 e8660a008b is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/libcxx/+/15068060

Change-Id: I6585386218cad00c0c957c10164cd6210f1660c4