Merge "Revert "Always create ramdisk/first_stage_ramdisk."" am: 7173ca82a4 am: c0b3a8b6fb am: 0df2607eba am: 8436f1f470

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1470698

Change-Id: I64cc7d04973ee006b407ceb10ac168ae1f2edf78