tree fac0b370b4a20e87c6089fc289fd582f08b35822
parent e97f99462a5aad3cef4f14ac6f8139fca8b0f2f5
author Alistair Delva <adelva@google.com> 1604597193 -0800
committer Alistair Delva <adelva@google.com> 1604597447 -0800

Initial import of downcast-rs rust crate

To support building newer versions of crosvm in AOSP.

Bug: 171838689
Bug: 172468915
Change-Id: I12b2b84c32696f4e0f5dfeca32c1bfac67f07f7e