Merge "Build egl_display extension string using temporary vector" into main am: f6b9effe00

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/3064662

Change-Id: Ie5bfba7659ba7b8b1d134b056f18fe2f081a941d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>