Remove accidental commenting out.

Author: kannanjgithub

buildscripts/kokoro/unix.sh

@@ -34,7 +34,7 @@ cat <<EOF >> gradle.properties
 org.gradle.jvmargs=-Xmx2048m -XX:MaxMetaspaceSize=1024m
 EOF
 
-#ARCH="$ARCH" buildscripts/make_dependencies.sh
+ARCH="$ARCH" buildscripts/make_dependencies.sh
 
 # Set properties via flags, do not pollute gradle.properties
 GRADLE_FLAGS="${GRADLE_FLAGS:-}"