Update language to comply with Android's inclusive language guidance

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

Change-Id: I25b5f8a2d87d8754e6536d24f986ab90a2bc69fe
Test: Presubmit
Bug: 161896447
diff --git a/src/com/android/settings/password/ChooseLockGeneric.java b/src/com/android/settings/password/ChooseLockGeneric.java
index 2a7de05..5dc9b96 100644
--- a/src/com/android/settings/password/ChooseLockGeneric.java
+++ b/src/com/android/settings/password/ChooseLockGeneric.java
@@ -761,7 +761,7 @@
          * {@link DevicePolicyManager#PASSWORD_QUALITY_UNSPECIFIED}
          */
         void updateUnlockMethodAndFinish(int quality, boolean disabled, boolean chooseLockSkipped) {
-            // Sanity check. We should never get here without confirming user's existing password.
+            // We should never get here without confirming user's existing password.
             if (!mPasswordConfirmed) {
                 throw new IllegalStateException("Tried to update password without confirming it");
             }