Revert "ShortcutManager: Floating shortcuts shouldn't have target activities."

This reverts commit 106ff7a0a1bef974ff04e9e79a25eb5e84555893.

Test: All the unit tests (ShortcutManagerTest1*) CtsShortcutHostTestCases and CtsShortcutManagerTestCases

Change-Id: Iadce2b3785cbf728daa60c4e2ff103e516d85896
6 files changed