rild: Unbreak multi-SIM socket name

Change-Id: Icae742c42c45726105d1a9e07a26bc4d10cc82bf
Weaken external rild symbol.

Not all libril will have this

Change-Id: I3da165f5cf779a02c7eb168d6e3c9b398d284835
Support for SEEK on Android

Support the following ril requests to enable
SEEK on Android:
1. RIL_REQUEST_SIM_TRNASMIT_BASIC
2. RIL_REQUEST_SIM_OPEN_CHANNEL
3. RIL_REQUEST_SIM_CLOSE_CHANNEL
4. RIL_REQUEST_SIM_TRANSMIT_CHANNEL
5. RIL_REQUEST_SIM_GET_ATR

Change-Id: Ie3f457d7a18f52a3452e3d2f50d40a4b70754cc4
Revert "hardware: ril: Avoid collision with RIL constant 1138"

Later Qualcomm RILs will use the STK_CC_ALPHA_NOTIFY message, and this
causes the radio to parse the parcel in a very incorrect manner.

This patch is complimentary with
http://review.cyanogenmod.org/#/c/75148/

This reverts commit ab552db30f9daae330d01c899ef242b84cd6b83f.

Change-Id: I2adec6d8fc9db91c1fd486925fdc3aedc9285a2b