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: Iab1437027fcbe4b7876207ec7605a765ba667b52
Change-Id: Iab1437027fcbe4b7876207ec7605a765ba667b52
(cherry picked from commit b1e43a9005bbd7da00474eb1117ecfa2bedc8da1)
1 file changed