Add qt targets to cros_mark_android_as_stable

Cq-Depend: chrome-internal:1219904,chrome-internal:1231235

BUG=b:129410042
TEST=./cros_mark_android_as_stable_unittest
cros_mark_android_as_stable --android_build_branch git_qt-arc-dev
--android_package android-container-qt

Change-Id: I7ec4a0ae1219c867aef0fd67e74e9136c28a1eaa
Reviewed-on: https://chromium-review.googlesource.com/1590465
Commit-Ready: Richard Fung <richardfung@google.com>
Tested-by: Richard Fung <richardfung@google.com>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Bernie Thompson <bhthompson@chromium.org>
Reviewed-by: Ben Lin <linben@chromium.org>
diff --git a/scripts/cros_mark_android_as_stable.py b/scripts/cros_mark_android_as_stable.py
index b490b07..9816893 100644
--- a/scripts/cros_mark_android_as_stable.py
+++ b/scripts/cros_mark_android_as_stable.py
@@ -454,6 +454,8 @@
     return constants.ANDROID_NYC_BUILD_TARGETS
   elif build_branch == constants.ANDROID_PI_BUILD_BRANCH:
     return constants.ANDROID_PI_BUILD_TARGETS
+  elif build_branch == constants.ANDROID_QT_BUILD_BRANCH:
+    return constants.ANDROID_QT_BUILD_TARGETS
   elif build_branch == constants.ANDROID_VMPI_BUILD_BRANCH:
     return constants.ANDROID_VMPI_BUILD_TARGETS
   else: