Merge "Send app launch events from TaskSwitcher" into ub-launcher3-rvc-dev am: 6dac493218

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/11920024

Change-Id: I3f8cfa2e41e16b0fad447cd4d7df1334327b4527