Add SettingsStats puller in StatsPullAtomService

1. Add typed_features.proto contain StringListParam proto
2. Add SettingsStatsUtil to parse DeviceConfig whitelist and
create log
3. Add test case in SettingsStatsUtilTest

Test: atest FrameworksServicesTests:SettingsStatsUtilTest
      adb shell cmd stats pull-source 10080
Bug: 142941011
Change-Id: I5a161cf12dd6d52ae80813e6d1fe10ecbc5d05cd