TRON: Smart selection events that don't change the selection.

See Ia9081d92ae9aea50d863455be770eecd0c73be1a for multi-selection
counts.

Test: Manually checked logging happens as per go/tron-howto and verified
nothing is broken in related classes by running:
bit FrameworksCoreTests:android.widget.TextViewActivityTest
bit CtsWidgetTestCases:android.widget.cts.TextViewTest

Bug: 32572232
Change-Id: I4ceab136ab73a20c6bc56732f7606ed103fe64d3