[Android] Build android tools as PIE and add a wrapper for ICS

tools/android/ps_ext/ps_ext.gyp

 # Copyright 2014 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.
 
 {
   'targets': [
     {
       'target_name': 'ps_ext-unstripped',
       'type': 'executable',
-      'conditions': [
-        # Warning: A PIE tool cannot run on ICS 4.0.4, so only
-        #          build it as position-independent when ASAN
-        #          is activated. See b/6587214 for details.
-        [ 'asan==1', {
-          'cflags': [
-            '-fPIE',
-          ],
-          'ldflags': [
-            '-pie',
-          ],
-        }],
-      ],
       'sources': [
         'ps_ext.c',
       ],
     },
     {
       'target_name': 'ps_ext',
       'type': 'none',
       'dependencies': [
         'ps_ext-unstripped',
       ],
       'actions': [
         {
           'action_name': 'strip_ps_ext',
           'inputs': ['<(PRODUCT_DIR)/ps_ext-unstripped'],
           'outputs': ['<(PRODUCT_DIR)/ps_ext'],
           'action': [
             '<(android_strip)',
             '--strip-unneeded',
             '<@(_inputs)',
             '-o',
             '<@(_outputs)',
           ],
         },
       ],
     },
   ],
 }