Merge "Retire obsolete (32bit-only) emulator targets and boards" into main am:...

Merge "Retire obsolete (32bit-only) emulator targets and boards" into main am: bfe2cc1e am: 50aec24f

Original change: https://android-review.googlesource.com/c/platform/build/+/2784390



Change-Id: I5a637d1c8f190103c27ed63f9e88d2e169ec7150
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>