Merge "Modify ripple for cancel button in search bar in widget picker." into sc-dev am: 8fb6ca3e5e am: e39c1866b9

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15142312

Change-Id: Iaba9b00fa34a42907cd6fe1a6be3e8786b8ecc10