AOSP/Music - Update language to comply with Android's inclusive language guidance.

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

BUG=161896447

Test: make
Change-Id: I2187211ccb3216f8923291877001798e00ecc828
diff --git a/kotlin/src/com/android/music/MusicPicker.kt b/kotlin/src/com/android/music/MusicPicker.kt
index 8c8b460..2a265ff 100644
--- a/kotlin/src/com/android/music/MusicPicker.kt
+++ b/kotlin/src/com/android/music/MusicPicker.kt
@@ -27,7 +27,7 @@
 import android.widget.ListView
 
 /**
- * A dummy class to handle android.intent.action.PICK Intent.
+ * A placeholder class to handle android.intent.action.PICK Intent.
  */
 class MusicPicker : ListActivity(), View.OnClickListener {
     /** Uri to the directory of all music being displayed.  */
diff --git a/src/com/android/music/MusicPicker.java b/src/com/android/music/MusicPicker.java
index b244146..547b9ba 100644
--- a/src/com/android/music/MusicPicker.java
+++ b/src/com/android/music/MusicPicker.java
@@ -28,7 +28,7 @@
 import android.widget.ListView;
 
 /**
- * A dummy class to handle android.intent.action.PICK Intent.
+ * A placeholder class to handle android.intent.action.PICK Intent.
  */
 public class MusicPicker extends ListActivity implements View.OnClickListener {
     static final boolean DBG = false;