Revert "DO NOT MERGE: Enable mainline prebuilts for device targets"
This reverts commit 20545fcf.
For AOSP targets we build the modules from source.
Bug: 299140674
Ignore-AOSP-First: staging branch for AOSP
Change-Id: Ib5cce306e40c7eee4292937a5240ec6df0a1e9c7
(cherry picked from commit e7559159)