Merge textclassifier/logging/ into textclassifier/

This is based on feedback on Ib5af1ec80a38432d1201fbc913acdc3597d6ba82

Bug: 67609167
Test: bit FrameworksCoreTests:android.view.textclassifier.TextClassificationManagerTest
Test: bit CtsWidgetTestCases:android.widget.cts.TextViewTest
Test: bit FrameworksCoreTests:android.widget.TextViewActivityTest
Test: bit CtsViewTestCases:android.view.textclassifier.cts.TextClassificationManagerTest
Test: bit CtsViewTestCases:android.view.textclassifier.cts.LoggerTest
Change-Id: Ic8d58acb2bbd63cedcac4aa16940b4ac852aadc8