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

llvm-svn: 136835
diff --git a/clang/test/Analysis/chroot.c b/clang/test/Analysis/chroot.c
index 7a584da..1948f48 100644
--- a/clang/test/Analysis/chroot.c
+++ b/clang/test/Analysis/chroot.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -analyze -analyzer-checker=unix.experimental.Chroot -analyzer-store region -verify %s
+// RUN: %clang_cc1 -analyze -analyzer-checker=experimental.unix.Chroot -analyzer-store region -verify %s
 
 extern int chroot(const char* path);
 extern int chdir(const char* path);