Update language to comply with Android's inclusive language guidance

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

Bug: 161896447
Test: NA (Comment only)
Change-Id: I8c1c2abf3547dd39048fa021a5fc72d39876773c
diff --git a/media/codec2/components/aac/DrcPresModeWrap.cpp b/media/codec2/components/aac/DrcPresModeWrap.cpp
index bee969b..7ce5c9d 100644
--- a/media/codec2/components/aac/DrcPresModeWrap.cpp
+++ b/media/codec2/components/aac/DrcPresModeWrap.cpp
@@ -161,7 +161,7 @@
     int newHeavy          = mDesHeavy;
 
     if (mDataUpdate) {
-        // sanity check
+        // Validation check
         if ((mDesTarget < MAX_TARGET_LEVEL) && (mDesTarget != -1)){
             mDesTarget = MAX_TARGET_LEVEL;  // limit target level to -10 dB or below
             newTarget = MAX_TARGET_LEVEL;
@@ -217,7 +217,7 @@
         }
         else { // handle other used encoder target levels
 
-            // Sanity check: DRC presentation mode is only specified for max. 5.1 channels
+            // Validation check: DRC presentation mode is only specified for max. 5.1 channels
             if (mStreamNrAACChan > 6) {
                 drcPresMode = 0;
             }
@@ -308,7 +308,7 @@
             } // switch()
         } // if (mEncoderTarget  == GPM_ENCODER_TARGET_LEVEL)
 
-        // sanity again
+        // Validation check again
         if (newHeavy == 1) {
             newBoostFactor=127; // not really needed as the same would be done by the decoder anyway
             newAttFactor = 127;