[analyzer] Enable the new edge algorithm by default.

...but don't yet migrate over the existing plist tests. Some of these
would be trivial to migrate; others could use a bit of inspection first.
In any case, though, the new edge algorithm seems to have proven itself,
and we'd like more coverage (and more usage) of it going forwards.

llvm-svn: 183165
diff --git a/clang/test/Analysis/NewDelete-path-notes.cpp b/clang/test/Analysis/NewDelete-path-notes.cpp
index 85b71be..d38bdb6 100644
--- a/clang/test/Analysis/NewDelete-path-notes.cpp
+++ b/clang/test/Analysis/NewDelete-path-notes.cpp
@@ -1,5 +1,5 @@
 // RUN: %clang_cc1 -analyze -analyzer-checker=cplusplus.NewDelete,unix.Malloc -analyzer-output=text -verify %s
-// RUN: %clang_cc1 -analyze -analyzer-checker=cplusplus.NewDelete,unix.Malloc -analyzer-output=plist %s -o %t.plist
+// RUN: %clang_cc1 -analyze -analyzer-checker=cplusplus.NewDelete,unix.Malloc -analyzer-output=plist -analyzer-config path-diagnostics-alternate=false %s -o %t.plist
 // RUN: FileCheck --input-file=%t.plist %s
 
 void test() {