Add sub owner to common/split and tests

Ignore-AOSP-First: no merge branch from AOSP
Test: n/a
Bug: 207582920
Change-Id: I46cc309b2453296910c8516cffd2b5b352376b01
Merged-In: I46cc309b2453296910c8516cffd2b5b352376b01
2 files changed