soong: Add TARGET_USES_EGL_DISPLAY_ARRAY conditional

This soong variable is used to conditionally revert a commit [1]
which causes random camera crashes on tama devices

[1] https://github.com/LineageOS/android_frameworks_native/commit/a9550f3fe9097e0934e9b44c5aac6b914fb46aec

Change-Id: I749c7029f8f2b6d6d95b066aed4929c33e3c75e7