Disable ANGLE Linux sysroot builds

scripts/build-linux-static-graphics.sh

@@ -169,6 +169,7 @@ is_debug = false
 is_component_build = false
 is_clang = true
 use_custom_libcxx = false
+use_sysroot = false
 use_lld = false
 use_thin_lto = false
 symbol_level = 0