Update some aosp projects to 4.2.2_r1.2

external/elfutils
external/libnfc-nxp
hardware/qcom/gps

Remove external/elfcopy

Change-Id: Id14ef1ca93b315f99659fbcf1d66a74217a05d83
Use my own hardware/qcom/gps :

Fix to build gps.bravo which BOARD_VENDOR_QCOM_GPS_LOC_API_AMSS_VERSION
is different from 50001

Change-Id: If3eb85168e060f7aee594b255934543f6107b1e1
New branch for device/htc/bravo

Change-Id: Ia12e572e0ab4de8875777ff3a5843c0fad6179d4