Add aosp_$arch target products to P VNDK snapshot

P VNDK snapshot needs to include 64-bit binder target products,
aosp_[arm|x86]. Additionally, replace aosp_[arm64|x86_64]_ab with
aosp_[arm64|x86_64], the official GSI targets for P launching
devices.

Bug: 80372796
Test: ./development/vndk/snapshot/build.sh
Merged-In: I331636d32249435d0024040bceda283634fbaed8
Change-Id: I331636d32249435d0024040bceda283634fbaed8
(cherry picked from commit 9ad4406d)