98f0937787
Invalidate the Recents list but don't reload the view immediately when PiP is dismissed. This effectively reverts commit If593c2e7271e972e96b1ab21b4396af66b1e3ea4. Bug: 416666696 Test: m Test: Presubmits Test: Manual - enter PiP, then swipe up to Overview. Dismiss PiP and verify the list is not updated. Exit Overview and re-enter Overview. Verify that the list is updated with the previously PiP-ed task. Flag: EXEMPT bug fix Change-Id: Iaa832f3b4e42404a7469b6b53a379ef42d959442