Preloading GLES drivers in Zygote was removed previously since it is
incompatible with updatable drivers. That caused some app startup
latency and system memory use regressions. This change re-adds GLES
driver preloading, but only on devices that don't support driver
updates.
Bug: 34611670
Bug: 35052548
Test: boot angler, systrace of Calculator app startup
Change-Id: Ibdc6b3c0ba4473574722641d4bfad4b375f908a3
(cherry picked from commit ba0370eef3)