overlay: use config-based tcp buffer sizes

Change-Id: I05249cd35e3e44ee54d49040765e0067067cc70c
g3: update hardware key overlays

Change-Id: I68e8ce81ee5a709a7f765054b382eac61f95b747

Conflicts:
	overlay/frameworks/base/core/res/res/values/config.xml
WiFi-Direct-Fix

Change-Id: Ie9f89ba36126cd9da9a7675d6757b6ebb3a74735
VoIP Fix

Change-Id: I45233ad0fc89974a7d214b2afee543d548a1007e
Proximity-Fix

Change-Id: I736f2cf72c413b996fb572f0cea74021a5011480
CameraWrapper Kill Debug

Change-Id: I119d2c42ae3b7028a3ce69e8b3aca1e74ffaa38d
Ignore call for RIL.getHardwareConfig

Calling this request 'GET_HARDWARE_CONFIG' seems to crash the rild socket.

Change-Id: I0521fd036120774a4585332c784640560c3c011d