DO NOT MERGE - Validate notification-channel deletion semantics

Bug: 156090809
Test: atest CtsAppTestCases:ServiceTest
Change-Id: Ib514049140ebc485ded763ce73576e7d9d8f4d76
Merged-In: Ie7d3601210d5d0add1bb42105f18b11d2b6f8cb7
2 files changed