tree cf49e695849142a44192c6581b958ce534759932
parent 4ab80de6ba40c4668956b60c8d8e28bbb6ebbdc9
author chaviw <chaviw@google.com> 1567621669 -0700
committer chaviw <chaviw@google.com> 1567790903 -0700

Created bufferInfo to track buffer data in a single place (1/2)

This is in preparation for layer mirroring since mirrored buffer layers
should just copy the bufferInfo instead of the entire BufferQueue or
parts of BufferState

Test: go/wm-smoke
Change-Id: Iba1be05c4b038f0b678150deed8e673bf1e7710b