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

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

Change-Id: I23d447a43e9b082f34f2df7966787cab615c7328