[DPP] Improve DPP manager unit test coverage

Improve DPP manager unit test coverage by adding more test cases.

Bug: 130051976
Test: atest DppManagerTest
Change-Id: I792908da23cfe7a9919811f178646909e196caef
1 file changed
tree: 0ab93e6888f1791c098097a14cddd1f63073df8e
  1. service/
  2. PREUPLOAD.cfg