[automerger skipped] Merge "Unregister mShowWeatherObserver when KeyguardClockSwitchController is detached" into udc-dev am: fe4e586e2e am: c96975247f -s ours

am skip reason: Merged-In I8807d1d58b58f1e5c990c21cef6a810e8b13c1db with SHA-1 c9c3e0f81a is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24422641

Change-Id: I6489df88e531b357f1a259fd960f52033e69c661
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>