Revert "RIL: fix signal for legacy gsm devices"

This reverts commit 121872d2d5547eb3d3937ef8d4c4a7e1c46b9afa.
Revert "Work around for invalid AppType on legacy gsm devices"

This reverts commit bf3ae4f6fc58e3ea048d14339854f24418538f5f.
Revert "telephony: DataConnection: support old RILs"

This reverts commit 8347d4a943752b91e54276893c9823bf5ddf3aa6.
telephony: DataConnection: support old RILs

Older RILs require different technology value

KK port
Signed-off-by: Andrew Sutherland <dr3wsuth3rland@gmail.com>

Change-Id: I0249bb597e2592b7e951945bc97d144ee2b2307a