Inclusive language fixes in ART run-tests.

Update language to comply with Android’s inclusive language guidance.
See https://source.android.com/setup/contribute/respectful-code for
reference.

#inclusivefixit

Test: Run ART run-tests
Bug: 161336379
Bug: 161896447
Change-Id: I23558d86b9d3a41b96a223c4aa56c0e06b240551
diff --git a/test/641-checker-arraycopy/src/Main.java b/test/641-checker-arraycopy/src/Main.java
index c2a95cc..939fc00 100644
--- a/test/641-checker-arraycopy/src/Main.java
+++ b/test/641-checker-arraycopy/src/Main.java
@@ -54,7 +54,7 @@
   }
 
   public static void main(String[] args) {
-    // Simple sanity checks.
+    // Simple checks.
     byte[] a = new byte[2];
     Object[] o = new Object[2];