[analyzer] rename all experimental checker packages to have 'experimental' be the common root package.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136835 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/fields.c b/test/Analysis/fields.c
index 9e89366..2e72c77 100644
--- a/test/Analysis/fields.c
+++ b/test/Analysis/fields.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -analyze -analyzer-checker=core,core.experimental %s -analyzer-store=region -verify
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core %s -analyzer-store=region -verify
 
 unsigned foo();
 typedef struct bf { unsigned x:2; } bf;