NDK API coverage

Cherry-pick from aosp: Update OWNERS file under build/soong/scripts to include coverage team as owner of related scripts.

Test: TARGET_BUILD_APPS=com.android.adbd m dist apps_only
Change-Id: I6150d5bda0d59828a985cd2ab5dd0aa38a7987c3
Merged-In: I6150d5bda0d59828a985cd2ab5dd0aa38a7987c3