Summary:
Adds an experimental replacement for preallocation revision checks on Android mounting layer. Instead of checking revisions of props, we remember tags of preallocated/previously allocated views and use this as a filter to avoid issuing extra create and preallocate commands on copy.
This method is a bit more expensive on memory, but is more precise than relying on revisions.
Changelog: [Internal]
Reviewed By: sammy-SC, mdvacca
Differential Revision: D33038768
fbshipit-source-id: fc98c2a7912e162a3845ca80488635bffaf8cc7f