Fixes datetime model overtriggering, sms shortcodes being linkified to

maps, not recognizing certain phone number formats, and incorrect date
jumps when the granularity of the date is less than a day, and incorrect
start of week for non-US locales.

(Developed in Google3, synced using export_to_aosp.sh script)

Test: bit FrameworksCoreTests:android.view.textclassifier.TextClassificationManagerTest
Test: bit CtsViewTestCases:android.view.textclassifier.cts.TextClassificationManagerTest

Bug: 77799341
Bug: 76199334
Bug: 77800082
Change-Id: Ib23bc27c63ff69673532851254f2800108e74dda