Fixed tethering failed when device is on CBRS

Fixed by using the correct sub id for CBRS subscription

Bug: 133852860
Test: Manual
Merged-In: I0b83d2d06580ea9f571dd1dd2608ba3a5d40d79e
Change-Id: I0b83d2d06580ea9f571dd1dd2608ba3a5d40d79e
(cherry picked from commit 50245713)