Enable check for E126

E126 continuation line over-indented for hanging indent

Change-Id: Id64edce8278d96c1b2d4a6ca536e9fc8fbef478c
Enable check for E127

E127 continuation line over-indented for visual indent

Change-Id: I9dfd489565ee2d1469b2048a930c3a8384dd245d
Enable check for E129

E129 visually indented line with same indent as next logical line

Change-Id: I438bf0d9de7f61ab65e753169c9a8007e84b215a