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: Ic17a290d79d65ef93bf6e0818a9bfbe663be7b93
diff --git a/media/libaudioprocessing/AudioResamplerSinc.cpp b/media/libaudioprocessing/AudioResamplerSinc.cpp
index 5a03a0d..f2c386d 100644
--- a/media/libaudioprocessing/AudioResamplerSinc.cpp
+++ b/media/libaudioprocessing/AudioResamplerSinc.cpp
@@ -404,7 +404,7 @@
     // 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.
 
     // compute the index of the coefficient on the positive side and
     // negative side