Alexander Mishkovets 77f6bc8951 Integrate system language filtering functionality
Filter system languages based on the configuration provided via
the corresponding system property.

Bug: 154133013
Test: manual; atest LocalizationTest
Change-Id: I7e4694f4b381ab81d0e8ceab97bad68bb266aaee
2020-07-29 10:16:24 +02:00
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