Set min_sdk_version to be part of mainline modules

Modules contributing mainline modules (APK/APEX) should set
min_sdk_version as well as apex_available.

For now setting min_sdk_version doesn't change build outputs.
But build-time checks will be added soon.

Bug: 152655956
Test: m
Merged-In: Ic0c899237ff961660caab3d9111f11ef16aba272
Change-Id: Ic0c899237ff961660caab3d9111f11ef16aba272
(cherry picked from commit 906486c3fc89dc3f45d085a5fd0885a268f3f75a)
1 file changed