Vts test for verifying that there are no duplicates in getDisplayconfigs

Test: atest VtsHalGraphicsComposer3_TargetTest
Test: atest VtsHalGraphicsComposerV2_4TargetTest
Bug: 176086656
Change-Id: I51dd4774b3c990e6db2cb9ee71d14f74dc3effb0
2 files changed