docs: bug 37070226, sates typo

Test: make ds-docs

Bug: 37070226

Change-Id: I122715a93ae47fc5d8654b0a2fce8bb817c813c8
Exempt-From-Owner-Approval: Docs-only change
diff --git a/media/java/android/media/MediaPlayer.java b/media/java/android/media/MediaPlayer.java
index d532e52..97d0a6e 100644
--- a/media/java/android/media/MediaPlayer.java
+++ b/media/java/android/media/MediaPlayer.java
@@ -335,7 +335,7 @@
  *
  * <table border="0" cellspacing="0" cellpadding="0">
  * <tr><td>Method Name </p></td>
- *     <td>Valid Sates </p></td>
+ *     <td>Valid States </p></td>
  *     <td>Invalid States </p></td>
  *     <td>Comments </p></td></tr>
  * <tr><td>attachAuxEffect </p></td>