Disable boot animation

src/anbox/qemu/boot_properties_message_processor.cpp

@@ -69,6 +69,9 @@ void BootPropertiesMessageProcessor::list_properties() {
         // To let surfaceflinger load our hwcomposer implementation we specify
         // the correct subkey of the module here.
         "ro.hardware.hwcomposer=anbox"
+
+        // Keep boot animation disabled as we don't need it
+        "debug.sf.nobootanimation=1",
     };
 
     for (const auto &prop : properties) {