Revert "binder: SharedRefBase uses enable_shared_from_this"

This reverts commit ed0d79223b73e51e26e03ceff8bbc33d633ad79b.

Reason for revert: b/195591779

Bug: 195591779

Change-Id: I94faf161b0b22b04892be88bb91a7c5a14cd32ed
2 files changed