Independent keyboard vibration settings

To make keyboard vibration independent:
-. Add new settings key for keyboard vibration
-. Introduce category keyboard in VibrationAttributes
-. Ignore the vibration effect based on keyboard vibration settings
-. Use a build-in vibration scale for keyboard

Bug: 289107579
Test: atest VibrationSettingsTest
Test: atest HapticFeedbackVibrationProviderTest
Change-Id: I67c95718d11fb429083e1bc9dcab6e1bc85249fc