Mark stage branch as merged in qt-dev.

Bug: 139373164
Merged-In: Ibcbd7833bec952d69841abbea827affc202941b6
Change-Id: I9b94f32253ac60194120f1299e6ae213d063977c
tree: fecd8bb4da6adc2dd6b6faa8328b06e938f5711e
  1. tests/