Move stripping of debug symbols on linux behind a flag

tools/mb/mb_config.pyl

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # This is a .pyl, or "Python Literal", file. You can treat it just like a
 # .json file, with the following exceptions:
 # * all keys must be quoted (use single quotes, please);
 # * comments are allowed, using '#' syntax; and
 # * trailing commas are allowed.
 
@@ skipping 1738 matching lines @@
 
     'mac_strip': {
       'gn_args': 'enable_stripping=true',
     },
 
     'mac_views_browser': {
       'gn_args': 'mac_views_browser=true',
     },
 
     'minimal_symbols': {
-      'gn_args': 'symbol_level=1',
+      'gn_args': 'symbol_level=1 strip_absolute_paths_from_debug_symbols=true',
     },
 
     'mipsel': {
       'gn_args': 'target_cpu="mipsel"',
     },
 
     'msan': {
       'gn_args': 'is_msan=true msan_track_origins=2 use_prebuilt_instrumented_libraries=true',
     },
 
@@ skipping 123 matching lines @@
 
     'x64': {
       'gn_args': 'target_cpu="x64"',
     },
 
     'x86': {
       'gn_args': 'target_cpu="x86"',
     },
   },
 }