This will allow removing the netd_stable_secret_prop from common
policy in master. It will be re-added after the wahoo-specific
sepolicy for netd_stable_secret_prop lands in oc-dr1-dev, is
automerged to master, and then is reverted in master.

This reverts commit ebea2b45.

Bug: 17613910
Bug: 62573845
Test: None, prebuilt change only.
Change-Id: I1234326d2fe6446e7e09ba9e97187518fa9bce33