Load ncm regexs config to tetherableUsbRegexs if isUsingNcm=true

If config_tether_ncm_regexs is configured, load it to
tetherableUsbRegexs if ncm is used for TETHERING_USB. Load it to
tetherableNcmRegexs if ncm is used for TETHERING_NCM.

Bug: 185649441
Test: atest TetheringTests
Original-Change: https://android-review.googlesource.com/1755176
Merged-In: I0c542560bd04e8c0a6a78d632da5a00a34d9a3fa
Change-Id: I0c542560bd04e8c0a6a78d632da5a00a34d9a3fa
3 files changed