Use soong NOTICE.xml for aosp_{arch} targets

This is required for Soong-built GSIs.

Ignore-AOSP-First: depends on frameworks/base change submitted only on
internal

Bug: 381019944
Bug: 395007698
Test: build aosp_arm64-trunk_staging-userdebug
Change-Id: Ic57c3be0225c9e75ab3ace34a6a8b46d3c6ee487