Revert "Add CONFIG_USB_DUMMY_HCD and update kernel"

This reverts commit 554e1491c8f598aebb17593928a80f72a419e00a.

Reason for revert: broke ipv6proxy

Change-Id: I52fdc693bd89c1e938159977b39e89e918490709
BUG: 137676088
1 file changed