Rename target MicroroidDeviceTestHelper to MicrodroidDeviceTestHelper

Fix typo in target name.

Test: atest MicrodroidBenchmarkApp
Change-Id: I4def5bf0b6db3df8f1b6a9187b131c52d88b6246
diff --git a/tests/benchmark/Android.bp b/tests/benchmark/Android.bp
index 817df7d..0d1cd91 100644
--- a/tests/benchmark/Android.bp
+++ b/tests/benchmark/Android.bp
@@ -9,7 +9,7 @@
     ],
     srcs: ["src/java/**/*.java"],
     static_libs: [
-        "MicroroidDeviceTestHelper",
+        "MicrodroidDeviceTestHelper",
         "androidx.test.runner",
         "androidx.test.ext.junit",
         "com.android.microdroid.testservice-java",