Move ReflectionTest.StaticMainMethod to compiler/. am: 51d4445f21 am: f033a451bf am: aa54c808cd am: d8d8cc1f20

Original change: https://android-review.googlesource.com/c/platform/art/+/2232131

Change-Id: Icf16bfafb0a1c5f4ee12c7d39c86fe1e706133d4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>