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.

Exempt-From-Owner-Approval: cherry-pick from AOSP

Bug: 152655956
Test: m
Merged-In: If4a0beed9150f6bed96699e6a78f2a12f25cb78a
Change-Id: If4a0beed9150f6bed96699e6a78f2a12f25cb78a
(cherry picked from commit 1c8ab972b3ca1c77d2f36f7aab0efdd8a2541612)
1 file changed