Disable findbugs on emma_coverage=1 bots.

BUG=411131
R=navabi@chromium.org

Review URL: https://codereview.chromium.org/614083003

Cr-Commit-Position: refs/heads/master@{#297480}

build/android/buildbot/bb_run_bot.py

@@ -118,6 +118,7 @@ def GetBotStepMap():
   chrome_proxy_tests = ['chrome_proxy']
   chrome_sync_shell_tests = ['sync']
   std_host_tests = ['check_webview_licenses', 'findbugs']
+  emma_coverage_tests = [x for x in std_host_tests if x is not 'findbugs']
   std_build_steps = ['compile', 'zip_build']
   std_test_steps = ['extract_build']
   std_tests = ['ui', 'unit', 'mojo']
@@ -160,7 +161,7 @@ def GetBotStepMap():
       B('fyi-x86-builder-dbg',
         H(compile_step + std_host_tests, experimental, target_arch='ia32')),
       B('fyi-builder-dbg',
-        H(std_build_steps + std_host_tests, experimental,
+        H(std_build_steps + emma_coverage_tests, experimental,
           extra_gyp='emma_coverage=1')),
       B('x86-builder-dbg',
         H(compile_step + std_host_tests, target_arch='ia32')),