API: Suppress existing NullableCollections lints

Bug: 152525509
Bug: 154763999
Test: make checkapi
Change-Id: Iecd0927e6be5496b2fbd1a49396db5439257ffe4
1 file changed
tree: f94e990f35cf7f5a7ba97494f2eb7a064fa9f219
  1. framework/
  2. service/
  3. OWNERS