Revert "ANDROID: Disable HAVE_GETPASS for bionic" am: a10a4d5003 am: 7f3a37638d am: a0ad79ef29

Original change: https://android-review.googlesource.com/c/platform/external/mtools/+/1683288

Change-Id: I8b0e6691c6f5590c0e4684ece637694c3b8dd28e