[automerger skipped] Revert "Add ramdisk_available to sysprop_library" am:...

[automerger skipped] Revert "Add ramdisk_available to sysprop_library" am: 2594e41a am: 4d716ddb -s ours

am skip reason: Merged-In Ib8d92904a9004ccbc18634a97f9d75c2093ac2ae with SHA-1 9da1f813 is already in history. Merged-In was found from reverted change.

Reverted change: https://googleplex-android-review.googlesource.com/c/platform/build/soong/+/15067021

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/soong/+/15167732

Change-Id: I724dd1e26f3256c99484b75f7e5c1463a6b1c40b