Fix the WebKit Android bot failures.

This is a temporary workaround to make the bot green. Currently it fails with:
Usage: lint-test-expectations [options]
lint-test-expectations: error: no such option: --target

TBR=cmp@chromium.org,dpranke@chromium.org,tfarina@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=338338

Review URL: https://codereview.chromium.org/607803003

Cr-Commit-Position: refs/heads/master@{#296912}

build/android/buildbot/bb_device_steps.py

@@ -284,11 +284,11 @@ def RunInstrumentationSuite(options, test, flunk_on_failure=True,
          flunk_on_failure=flunk_on_failure)
 
 
-def RunWebkitLint(target):
+def RunWebkitLint():
   """Lint WebKit's TestExpectation files."""
   bb_annotations.PrintNamedStep('webkit_lint')
   RunCmd([SrcPath(os.path.join(BK_SCRIPTS_DIR, 'lint-test-expectations')),
-          '--target', target])
+          '--android'])
 
 
 def RunWebkitLayoutTests(options):
@@ -494,7 +494,7 @@ def RunInstrumentationTests(options):
 
 def RunWebkitTests(options):
   RunTestSuites(options, ['webkit_unit_tests', 'blink_heap_unittests'])
-  RunWebkitLint(options.target)
+  RunWebkitLint()
 
 
 def RunGPUTests(options):