API: Suppress existing NullableCollections lints am: 14c08d26d5

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1566096

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I2d47151b7e26e82706f2d94a13c4067fe71fc168
tree: d3d2bfc0c78c49010bf750d8dd772c615291a430
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS