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

tools/android/run_pie/run_pie.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': 'run_pie-unstripped',
+      'type': 'executable',
+      'sources': [
+        'run_pie.c',
+      ],
+      # Of course, run_pie is the only Android executable which must be NON-PIE.

[bulach, 2014/05/14 12:57:05]

nit: be kind on our future selves!
s/Of course/See crbug.com/foobar/ :)

[Primiano Tucci (use gerrit), 2014/05/14 13:21:23]

Done.

+      'cflags!': [
+        '-fPIE',
+      ],
+      'ldflags!': [
+        '-pie',
+      ],
+      # Don't inherit unneeded dependencies on stlport.so, so the binary remains
+      # self-contained also in component=shared_library builds.
+      'libraries!': [
+        '-l<(android_stlport_library)',
+      ],
+    },
+    {
+      'target_name': 'run_pie',
+      'type': 'none',
+      'dependencies': [
+        'run_pie-unstripped',
+      ],
+      'actions': [
+        {
+          'action_name': 'strip_run_pie',
+          'inputs': ['<(PRODUCT_DIR)/run_pie-unstripped'],
+          'outputs': ['<(PRODUCT_DIR)/run_pie'],
+          'action': [
+            '<(android_strip)',
+            '--strip-unneeded',
+            '<@(_inputs)',
+            '-o',
+            '<@(_outputs)',
+          ],
+        },
+      ],
+    },
+  ],
+}