Android: adds instrumentation tests on the FYI bot.

build/android/buildbot_functions.sh

Index: build/android/buildbot_functions.sh
diff --git a/build/android/buildbot_functions.sh b/build/android/buildbot_functions.sh
index 0099983db294d667e921f2f2216d8450cae64ab4..309fbbff072c1351d9330810ae3b847afa8485f7 100755
--- a/build/android/buildbot_functions.sh
+++ b/build/android/buildbot_functions.sh
@@ -261,6 +261,14 @@ function bb_run_content_shell_test {
     "${SRC_ROOT}"/out/Release/content_shell/ContentShell-debug.apk
 }
 
+# Run content shell instrumentation test on device.
+function bb_run_content_shell_instrumentation_test {
+  echo "@@@BUILD_STEP Run content shell instrumentation test on actual "\
+       "hardware@@@"
+  build/android/run_instrumentation_tests.py -I \
+      --test-apk content_shell_test/ContentShellTest-debug -vvv
+}
+
 # Zip and archive a build.
 function bb_zip_build {
   echo "@@@BUILD_STEP Zip build@@@"