Merge "Make LaunchPerformanceBase and UnitTestSuiteBuilder as APIs" am: 073943f0fd am: a7d0cbe7f6 am: 0bcd1b9f56

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1321319

Change-Id: Ibe90b928678e4d6e3580dee44a81a1a0aca78e45