Revert "Don't use ProxyActivity when launching from SearchActionItemInfo intent"

This reverts commit 878dedfb842f7a58b7e06a8ddf5060a2520a4638.

Reason for revert: b/192558017
Bug: 192558017

Change-Id: I41e64ab74c00d7b255be6f3ef1b783c01571d641
2 files changed