Add BugreportManagerTestCases to dumpstate presubmit am: c18bfd601a am: 72485664f3 am: ba83624ce4

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1441341

Change-Id: Ib73c5b5cdc55b088be8909b6e2cc3ef5c6d15e1e