Merge "Make LaunchPerformanceBase and UnitTestSuiteBuilder as APIs" am: 073943f0fd am: a7d0cbe7f6 am: 0bcd1b9f56 am: 8f24e0d9b0

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

Change-Id: Id7e3aeb021459c8f89d7a8d2ce73f6dd72be280f