Move ReflectionTest.StaticMainMethod to compiler/. am: 51d4445f21 am: f033a451bf am: aa54c808cd am: d8d8cc1f20 am: 6b4e9e178e

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

Change-Id: Ia0fe51622f39b3fb679c18dfa222adffdd287b62
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>