Duplicate wear owners to frameworks/base/WEAR_OWNERS

We can't depend on frameworks/opt/wear from frameworks/base due to wear
projects not available in AOSP. So it's necessary to duplicate the
owners in a new file in frameworks/base.

Bug: 246359459
Fix: 246359459
Test: N/A
Change-Id: I5f5385a696721b2254233ce314d1d7e3fae25d39