Enable constructing a Prependable from a View without allocating.
Enable constructing a Prependable from a View without allocating.

PiperOrigin-RevId: 211722525
Change-Id: Ie73753fd09d67d6a2ce70cfe2d4ecf7275f09ce0

google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor