Also clang-format modified Regs.cpp slightly. Bug: 23762183 Test: Built and ran unit tests. Change-Id: I1c7c1b01974ee3f35059c42b8e2aef24d46c81a7
Bug: 23762183 Test: New unit tests pass. Change-Id: I9581701ee2721283a1114adab4e1bcff881980cc