microdroid_bench: Measure min RAM with DebugMode.NONE

We should measure minimum RAM usage in production mode. This reduces the
reported value by ~4MB.

Test: atest MicrodroidBenchmarks
Change-Id: Id62012355090f3b2d650161966dc1b56d3076974
diff --git a/tests/benchmark/src/java/com/android/microdroid/benchmark/MicrodroidBenchmarks.java b/tests/benchmark/src/java/com/android/microdroid/benchmark/MicrodroidBenchmarks.java
index 9edde75..625b638 100644
--- a/tests/benchmark/src/java/com/android/microdroid/benchmark/MicrodroidBenchmarks.java
+++ b/tests/benchmark/src/java/com/android/microdroid/benchmark/MicrodroidBenchmarks.java
@@ -92,7 +92,7 @@
             VirtualMachineConfig.Builder builder =
                     mInner.newVmConfigBuilder("assets/vm_config.json");
             VirtualMachineConfig normalConfig =
-                    builder.debugLevel(DebugLevel.FULL).memoryMib(mem).build();
+                    builder.debugLevel(DebugLevel.NONE).memoryMib(mem).build();
             mInner.forceCreateNewVirtualMachine("test_vm_minimum_memory", normalConfig);
 
             if (tryBootVm(TAG, "test_vm_minimum_memory").payloadStarted) return true;