Add Android-changed markers to more crypto classes.

Mostly this is documenting the reasoning behind a bunch of similar changes
to a bunch of crypto class provider selection processes.

Also resolve a couple unnecessary diffs from 8u121-b13.

Bug: 38488710
Bug: 38192166
Test: make
Change-Id: I2c57b2b6e462a99ef117bd19d4712b111918d1aa
4 files changed