Merge "Add ime back button logic to the init block of NavbarButtonsViewController" into 24D1-dev am: 098c477a04

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/27204834

Change-Id: Ifa4b2a33968ca6ac08c9b00b65274b3cb89f9753
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>