Merge "Fix bug in equals implementation for search headers" into sc-dev am: 61bc5c6c93 am: 4ef613de2e am: 38b4cac326

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

Change-Id: Ic9de5067c6a5413b632fbd95c193bd0b06c88e4a