Merge "Revert "Don't use ProxyActivity when launching from SearchActionItemInfo intent"" into sc-dev am: 933d2536da am: 74ce4969c2 am: 9145880b43

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15184812

Change-Id: I47b4c9c32971628ba76b817e8f58226ed2d09e28