Fix the coverage build which used to complain about the missing pyautolib target.

In the case pyautolib shouldn't be built, define a fake pyautolib target. This lets other targets
to unconditionally depend on pyautolib.

BUG=307018
R=thakis@chromium.org

Review URL: https://codereview.chromium.org/29013002

git-svn-id: http://src.chromium.org/svn/trunk/src/build@229837 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

all.gyp

@@ -453,15 +453,9 @@
             '../chrome/chrome.gyp:chrome',
             # Dependencies of pyauto_functional tests.
             '../remoting/remoting.gyp:remoting_webapp',
-          ],
-          'conditions': [
-            # If you change this condition, make sure you also change it
-            # in chrome_tests.gypi
-            ['enable_automation==1 and (OS=="mac" or ((OS=="win" or os_posix==1) and target_arch==python_arch))', {
-              'dependencies': [
             '../chrome/chrome.gyp:pyautolib',
           ],
-            }],
+          'conditions': [
             ['OS=="mac"', {
               'dependencies': [
                 '../remoting/remoting.gyp:remoting_me2me_host_archive',
@@ -839,15 +833,9 @@
                 '../cloud_print/cloud_print.gyp:cloud_print',
                 '../remoting/remoting.gyp:remoting_webapp',
                 '../third_party/widevine/cdm/widevine_cdm.gyp:widevinecdmadapter',
-              ],
-              'conditions': [
-                # If you change this condition, make sure you also change it
-                # in chrome_tests.gypi
-                ['enable_automation==1 and (OS=="mac" or (os_posix==1 and target_arch==python_arch))', {
-                  'dependencies': [
                 '../chrome/chrome.gyp:pyautolib',
               ],
-                }],
+              'conditions': [
                 ['internal_pdf', {
                   'dependencies': [
                     '../pdf/pdf.gyp:pdf',