All Treble options by default.

Last target disabling Treble is removed. Android is not tested without
these options, really Android is Treble now. Merging this to make sure
it lands, and then will submit a series of CLs to simplify the build
components using these options.

Bug: 307369186
Test: build
Change-Id: I6972de31d15a72b734798b009e778cf1a1128e45