Misc. fixes and cleanup related to the Bluetooth Codec strings
in Developer Settings:
* Update the codec name "aptX-HD" -> "aptX HD" to reflect the vendor
defined writing:
https://www.aptx.com/aptx-hd
* Increase some of the "CHAR LIMIT" values for the purpose
of translation to other languages
* Update some of the text in the UI (for clarity)
* Added new string: "Streaming: " that is used in the UI summary
Test: UI visual observation
Bug: b/34188102 b/34206536 b/34209576 b/34210861 b/34207126 b/34211204
Bug: b/34206992 b/34210910 b/34210162 b/34205434 b/34198432 b/34186749
Bug: b/34188141 b/34188657 b/34192932 b/34188655
Change-Id: I9dc609594864b5d29394c49e0bce64416706c81c
0e038dec6f