[DO NOT MERGE] Disable "next" targets in module release branch

The "next" targets are only used for development builds using
unfinalized SDKs, and are not necessary in the module release
branch.

This should not be (auto)merged in development branches.

Ignore-AOSP-First: module release branch-only change
Test: m
Change-Id: I27a646f304a8a26abcaf85c8a00a6be1424c9a5f
1 file changed