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/640-checker-simd/src/SimdByte.java b/test/640-checker-simd/src/SimdByte.java
index 5066136..385a6c3 100644
--- a/test/640-checker-simd/src/SimdByte.java
+++ b/test/640-checker-simd/src/SimdByte.java
@@ -142,7 +142,7 @@
   }
 
   //
-  // Shift sanity.
+  // Shift checks.
   //
 
   static void sar31() {