Remove the dependency on the STRIP env variable for Android

content/content_shell.gypi

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'content_shell_product_name': 'Content Shell',
   },
   'targets': [
     {
@@ skipping 597 matching lines @@
               'action_name': 'copy_content_jar',
               'inputs': ['<(PRODUCT_DIR)/lib.java/chromium_content.jar'],
               'outputs': ['<(PRODUCT_DIR)/content_shell/java/libs/chromium_content.jar'],
               'action': ['cp', '<@(_inputs)', '<@(_outputs)'],
             },
             {
               'action_name': 'copy_and_strip_so',
               'inputs': ['<(SHARED_LIB_DIR)/libcontent_shell_content_view.so'],
               'outputs': ['<(PRODUCT_DIR)/content_shell/libs/<(android_app_abi)/libcontent_shell_content_view.so'],
               'action': [
-                '<!(/bin/echo -n $STRIP)',
+                '<(android_strip)',
                 '--strip-unneeded',  # All symbols not needed for relocation.
                 '<@(_inputs)',
                 '-o',
                 '<@(_outputs)',
               ],
             },
             {
               'action_name': 'content_shell_apk',
               'inputs': [
                 'shell/android/java/content_shell_apk.xml',
@@ skipping 34 matching lines @@
               'dependencies': [
                 'content_java',
               ],
             }
           ],
         },
       ],
     }],  # OS=="android"
   ]
 }