Make AndroidXDemos OWNERS point to media owners
Make AndroidXDemos OWNERS point to media owners

Test: Tested that the breakage from aosp/2292097 does not repro.
Bug: 236724689
Change-Id: I832adb4beb5e867e4c304c05a94f7afb939b1726

AndroidX/androidx,androidx/androidx,androidx/androidx,androidx/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx