Reland "libutils: disable implicit ref base construction"

This reverts commit 8e11f9e3f39617826201055c0af0ab740e9c7984.

Reason for revert: reland after fixing b/186028624
Bug: 184190315

Change-Id: Ia7339a46c3af7dd1a95bc82327cae5304f9f2e16
5 files changed