New answers tagged recent-apps-list
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Answering my own question... I had pretty decent results using Event Logger to show App Started events. This revealed that the mystery activity was the system upgrade activity popping up and immediately dismissing itself.
For Lollipop do adb shell dumpsys activity recents. For some earlier Android version, run adb shell dumpsys activity activities. Alternatively, you may run adb shell dumpsys activity | grep -i run as noted by loeschg here. You would get a list of recent apps' package name, component (activity) name, flags among other things. In Lollipop, if you've root ...
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