Update language to comply with Android's inclusive language guidance

See https://source.android.com/setup/contribute/respectful-code for reference

 
BUG=161896447

Change-Id: I33701152a2d2b7a40a427d187fa11754282cc384
diff --git a/media/libaudioprocessing/AudioResamplerFirProcess.h b/media/libaudioprocessing/AudioResamplerFirProcess.h
index 9b70a1c..1fcffcc 100644
--- a/media/libaudioprocessing/AudioResamplerFirProcess.h
+++ b/media/libaudioprocessing/AudioResamplerFirProcess.h
@@ -381,7 +381,7 @@
     // NOTE: be very careful when modifying the code here. register
     // pressure is very high and a small change might cause the compiler
     // to generate far less efficient code.
-    // Always sanity check the result with objdump or test-resample.
+    // Always validate the result with objdump or test-resample.
 
     if (LOCKED) {
         // locked polyphase (no interpolation)