extract-files: add ability to specify a source directory for props

Change-Id: If4f18f7e1ea8ee2762c5ff452c9362eb4ec2b3ca
d2lte: update to kk rilblobs

Change-Id: I06cee593705a62f02c84e09a507ae6b1faf39508
d2lte: introduce d2lteRIL

* Extend SamsungQualcommRIL

Change-Id: I8a4970a5a0e9cf74caf53077184e0fdc986d9e74
d2lte: add new gps props

requires new gps hal

Change-Id: I108054594dc9fd7db1bb23480fbee2eeeae19869
d2lte: Lower speakerphone volume a touch.

Recent change was causing some feedback/echo on speakerphone calls,
drop it down a few % and see how it goes.

Change-Id: Ie91f92edc1cf1f4d4cd25c41c4ddb044d5d6023b
d2: add BOARD_HAVE_SAMSUNG_WIFI

* this lets us build macloader

Change-Id: I0cf08af6597794d5f28dce6c653f1d7e54743c36