Make asan==1 imply use_allocator=none.

BUG=302040
R=thakis@chromium.org

Review URL: https://codereview.chromium.org/294643004

git-svn-id: http://src.chromium.org/svn/trunk/src/build@271662 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

common.gypi

@@ -1983,6 +1983,7 @@
 
       ['asan==1', {
         'clang%': 1,
+        'use_allocator%': 'none',
       }],
       ['asan==1 and OS=="mac"', {
         # TODO(glider): we do not strip ASan binaries until the dynamic ASan