The page agnostic targets have to support 4k/16k page sizes. For
these targets, the APKs have to be aligned at 16k boundaries.
Bug: 302343940
Test: source build/envsetup.sh
lunch aosp_cf_arm64_phone_pgagnostic
m
launch_cvd -userdata_format=ext4
Change-Id: Ia0e39a90c0d6a3e62d450157fdfd5e3ee36d346e
5c6b6f24a3