Change to using sysprop for libEGL and EGL_test

The configstore service was deprecated. So change to use sysprop
instead of configstore.

Bug: 124531214
Test: m -j && check reading system properties
Change-Id: I220094082a1d4ec4e7649ad0d9b614e0bcc334a6
diff --git a/services/surfaceflinger/Android.bp b/services/surfaceflinger/Android.bp
index fce0971..0182937 100644
--- a/services/surfaceflinger/Android.bp
+++ b/services/surfaceflinger/Android.bp
@@ -286,6 +286,7 @@
     export_shared_lib_headers: [
         "android.hardware.graphics.common@1.2",
         "libhidlbase",
+        "libui",
     ],
     export_static_lib_headers: [
         "SurfaceFlingerProperties",