Add DumpsysUtils class am: a82ae03165 am: 6422e2ca21 am: a49f2950ea am: 07e9cf803d am: c59e5207d3 am: 4dd658fe06 am: 262ae36a4a am: 5951498bcd

Original change: https://googleplex-android-review.googlesource.com/c/platform/platform_testing/+/25127144

Change-Id: Icfb8fb49965655d4462281f5272e90e7c0cee7ac
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>