Merge "Fix bug in equals implementation for search headers" into sc-dev am: 61bc5c6c93 am: 222a315351

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15046752

Change-Id: Ia6beb26c16f0904af326c4ef2c06e5cb0e1b80f4