Remove RRO policy product_services

Since Q will no longer have a product_services partition, remove instances of
the product_services policy across aapt2, androidfw, and idmap2.

Bug:122745343
Test: aapt2_tests and libandroidfw_tests
Change-Id: I97c223a0bf5a2eab95811e5f738b44af6335e0ea
16 files changed