Revert "Avoid collision with RIL constant 1138,
used in some Samsung devices for
RIL_UNSOL_TETHERED_MODE_STATE_CHANGED."

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 reverts commit 8e3fee66ff3a1d55f1aa69df7b52fdcab33f1f82.

Change-Id: I94e2867f130b88c4c9eff17293edd0b64dda516a