Correct recycling to take setViewId into account.

Views shouldn't be recycled if the view id is changed as the identity
of the view is then altered.

Second pass: this has been further tested by adding/removing AppWidgets
on a test phone.

Bug: 181985606
Test: atest CtsWidgetTestCases:RemoteViewsTest
Test: atest CtsWidgetTestCases:RemoteViewsRecyclingTest
Test: atest CtsInputMethodTestCases:android.view.inputmethod.cts.InputConnectionBlockingMethodTest
Change-Id: I8924c02f7f0223458f556a07a3dfdc96b4ce612e