Add version attribute in tv_content_rating_system.xml

- 'version' attribute is added in 'rating-system-definitions' tag.
- Update javadoc for the format change of XML file in TvContentRating.
- Fix some errors in the javadoc comment.

Bug: 16805703
Change-Id: If9473c89cef0777232470d67f1542a5e5eac3182

Author: Sungsoo Lim

core/res/res/xml/tv_content_rating_systems.xml

@@ -16,7 +16,7 @@
 ** limitations under the License.
 */
 -->
-<rating-system-definitions>
+<rating-system-definitions version="1.0">
     <!-- Range specific TV content rating system for AM TV-->
     <rating-system-definition id="AM_TV_RS"
         displayName="@string/display_name_amtvrs"

media/java/android/media/tv/TvContentRating.java

@@ -41,6 +41,8 @@
  * <?xml version="1.0" encoding="UTF-8"?>
  * <!DOCTYPE rating-systems [
  *     <!ELEMENT rating-system-definitions (rating-system-definition+)>
+ *     <!ATTLIST rating-system-definitions
+ *         version     CDATA #REQUIRED>
  *     <!ELEMENT rating-system-definition (
  *         (sub-rating-definition*, rating-definition, sub-rating-definition*)+, order*)>
  *     <!ATTLIST rating-system-definition
@@ -73,7 +75,7 @@
  * <u>System defined string for {@code domain}</u>
  * <table border="0" cellspacing="0" cellpadding="0">
  *     <tr>
- *         <td>String value</td>
+ *         <td width=10%>String value</td>
  *         <td>Comments</td>
  *     </tr>
  *     <tr>
@@ -85,7 +87,7 @@
  * <u>System defined string for {@code ratingSystem}</u>
  * <table border="0" cellspacing="0" cellpadding="0">
  *     <tr>
- *         <td>String value</td>
+ *         <td width=10%>String value</td>
  *         <td>Comments</td>
  *     </tr>
  *     <tr>
@@ -282,7 +284,7 @@
  * <u>System defined string for {@code rating}</u>
  * <table border="0" cellspacing="0" cellpadding="0">
  *     <tr>
- *         <td>String value</td>
+ *         <td width=10%>String value</td>
  *         <td>Comments</td>
  *     </tr>
  *     <tr>
@@ -767,7 +769,6 @@
  *     <tr>
  *         <td>IN_TV_S</td>
  *         <td>Public exhibition restricted to members of any profession or any class of persons
- *         <td>Public exhibition restricted to members of any profession or any class of persons
  *         </td>
  *     </tr>
  *     <tr>
@@ -860,7 +861,6 @@
  *     <tr>
  *         <td>MX_TV_A</td>
  *         <td>Appropriate for all ages, parental guidance is recommended for children under 7 years
- *         <td>Appropriate for all ages, parental guidance is recommended for children under 7 years
  *         </td>
  *     </tr>
  *     <tr>
@@ -871,7 +871,6 @@
  *     <tr>
  *         <td>MX_TV_B-15</td>
  *         <td>Designed for ages 15 and up, slightly more intensive than the \'A\' and \'B\' ratings
- *         <td>Designed for ages 15 and up, slightly more intensive than the \'A\' and \'B\' ratings
  *         </td>
  *     </tr>
  *     <tr>
@@ -1237,7 +1236,6 @@
  *     <tr>
  *         <td>US_TVPG_TV_PG</td>
  *         <td>This program contains material that parents may find unsuitable for younger children
- *         <td>This program contains material that parents may find unsuitable for younger children
  *         </td>
  *     </tr>
  *     <tr>
@@ -1310,7 +1308,7 @@
  * <u>System defined string for {@code subRating}</u>
  * <table border="0" cellspacing="0" cellpadding="0">
  *     <tr>
- *         <td>String value</td>
+ *         <td width=10%>String value</td>
  *         <td>Comments</td>
  *     </tr>
  *     <tr>