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: I04b4eea7fb03d8207be76d3a5a8fd1a97f52ba9e
Change-Id: I04b4eea7fb03d8207be76d3a5a8fd1a97f52ba9e
(cherry picked from commit 92af4e28188f352b59ec41e8ef71d3c999821e08)
1 file changed