Fix inconsistent indentation

The repo coding style is to indent at 2 characters, but there are
many places where this is not followed.

Enable pylint warning "W0311: Bad indentation" and make sure all
indentation is at multiples of 2 characters.

Change-Id: I68f0f64470789ce2429ab11104d15d380a63e6a8
diff --git a/.pylintrc b/.pylintrc
index 9f81ee1..72dccd7 100644
--- a/.pylintrc
+++ b/.pylintrc
@@ -53,7 +53,7 @@
 enable=RP0004
 
 # Disable the message(s) with the given id(s).
-disable=R0903,R0912,R0913,R0914,R0915,W0141,C0111,C0103,C0323,C0322,C0324,W0603,W0703,R0911,C0301,C0302,R0902,R0904,W0142,W0212,E1101,E1103,R0201,W0201,W0122,W0232,W0311,RP0001,RP0003,RP0101,RP0002,RP0401,RP0701,RP0801
+disable=R0903,R0912,R0913,R0914,R0915,W0141,C0111,C0103,C0323,C0322,C0324,W0603,W0703,R0911,C0301,C0302,R0902,R0904,W0142,W0212,E1101,E1103,R0201,W0201,W0122,W0232,RP0001,RP0003,RP0101,RP0002,RP0401,RP0701,RP0801
 
 [REPORTS]