Fix TimePicker separator l10n issue.

This was surfacing in the android clock with certain locales e.g. fr_CA.
Fixed for all unqiue locale patterns.

Bug: 71572309
Test: manual - changed locale to Fr_CA and made sure clock seperator WAI
Test: atest CtsWidgetTestCases:TextViewTest CtsWidgetTestCases:EditTextTest CtsWidgetTestCases:TextViewFadingEdgeTest FrameworksCoreTests:TextViewFallbackLineSpacingTest FrameworksCoreTests:TextViewTest

Change-Id: Ie43bf9428e8c5ef2fe2e9545cb5a6dada25d6e52