Merge "Taskbar: use ENABLE_HIDE_IME_CAPTION_BAR" into udc-qpr-dev am: 7c183e2987 am: 5137e0561c

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/24511367

Change-Id: Icd169ccf8dfb6f60d06b50a3151fb37828225958
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>