[Analyzer] Add nullability to the list of tested checkers in SATestBuild

Differential Revision: https://reviews.llvm.org/D38162

llvm-svn: 314572
diff --git a/clang/utils/analyzer/SATestBuild.py b/clang/utils/analyzer/SATestBuild.py
index a053f5f..c735996 100755
--- a/clang/utils/analyzer/SATestBuild.py
+++ b/clang/utils/analyzer/SATestBuild.py
@@ -178,7 +178,18 @@
 # The list of checkers used during analyzes.
 # Currently, consists of all the non-experimental checkers, plus a few alpha
 # checkers we don't want to regress on.
-Checkers="alpha.unix.SimpleStream,alpha.security.taint,cplusplus.NewDeleteLeaks,core,cplusplus,deadcode,security,unix,osx"
+Checkers=",".join([
+    "alpha.unix.SimpleStream",
+    "alpha.security.taint",
+    "cplusplus.NewDeleteLeaks",
+    "core",
+    "cplusplus",
+    "deadcode",
+    "security",
+    "unix",
+    "osx",
+    "nullability"
+])
 
 Verbose = 1