Make MailTo class final

This class should not be extended.

Test: ./gradlew checkApi
Fixes: 161229348
Relnote: n/a
Change-Id: If10630bfaa34704e6cbcfcec9bf91b5a2a51eaab

diff --git a/core/core/api/1.5.0-alpha01.txt b/core/core/api/1.5.0-alpha01.txt
index 9ab98ab..6d66e2b 100644
--- a/core/core/api/1.5.0-alpha01.txt
+++ b/core/core/api/1.5.0-alpha01.txt

@@ -1366,7 +1366,7 @@
     field public static final int RESTRICT_BACKGROUND_STATUS_WHITELISTED = 2; // 0x2
   }
 
-  public class MailTo {
+  public final class MailTo {
     method public String? getBcc();
     method public String? getBody();
     method public String? getCc();

diff --git a/core/core/api/current.txt b/core/core/api/current.txt
index 9ab98ab..6d66e2b 100644
--- a/core/core/api/current.txt
+++ b/core/core/api/current.txt

@@ -1366,7 +1366,7 @@
     field public static final int RESTRICT_BACKGROUND_STATUS_WHITELISTED = 2; // 0x2
   }
 
-  public class MailTo {
+  public final class MailTo {
     method public String? getBcc();
     method public String? getBody();
     method public String? getCc();

diff --git a/core/core/api/public_plus_experimental_1.5.0-alpha01.txt b/core/core/api/public_plus_experimental_1.5.0-alpha01.txt
index dc5b6da..d1bd73f 100644
--- a/core/core/api/public_plus_experimental_1.5.0-alpha01.txt
+++ b/core/core/api/public_plus_experimental_1.5.0-alpha01.txt

@@ -1364,7 +1364,7 @@
     field public static final int RESTRICT_BACKGROUND_STATUS_WHITELISTED = 2; // 0x2
   }
 
-  public class MailTo {
+  public final class MailTo {
     method public String? getBcc();
     method public String? getBody();
     method public String? getCc();

diff --git a/core/core/api/public_plus_experimental_current.txt b/core/core/api/public_plus_experimental_current.txt
index dc5b6da..d1bd73f 100644
--- a/core/core/api/public_plus_experimental_current.txt
+++ b/core/core/api/public_plus_experimental_current.txt

@@ -1364,7 +1364,7 @@
     field public static final int RESTRICT_BACKGROUND_STATUS_WHITELISTED = 2; // 0x2
   }
 
-  public class MailTo {
+  public final class MailTo {
     method public String? getBcc();
     method public String? getBody();
     method public String? getCc();

diff --git a/core/core/api/restricted_1.5.0-alpha01.txt b/core/core/api/restricted_1.5.0-alpha01.txt
index 74b99b7..87a9f67 100644
--- a/core/core/api/restricted_1.5.0-alpha01.txt
+++ b/core/core/api/restricted_1.5.0-alpha01.txt

@@ -1669,7 +1669,7 @@
   @IntDef({androidx.core.net.ConnectivityManagerCompat.RESTRICT_BACKGROUND_STATUS_DISABLED, androidx.core.net.ConnectivityManagerCompat.RESTRICT_BACKGROUND_STATUS_WHITELISTED, androidx.core.net.ConnectivityManagerCompat.RESTRICT_BACKGROUND_STATUS_ENABLED}) @RestrictTo(androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP_PREFIX) @java.lang.annotation.Retention(java.lang.annotation.RetentionPolicy.SOURCE) public static @interface ConnectivityManagerCompat.RestrictBackgroundStatus {
   }
 
-  public class MailTo {
+  public final class MailTo {
     method public String? getBcc();
     method public String? getBody();
     method public String? getCc();

diff --git a/core/core/api/restricted_current.txt b/core/core/api/restricted_current.txt
index 74b99b7..87a9f67 100644
--- a/core/core/api/restricted_current.txt
+++ b/core/core/api/restricted_current.txt

@@ -1669,7 +1669,7 @@
   @IntDef({androidx.core.net.ConnectivityManagerCompat.RESTRICT_BACKGROUND_STATUS_DISABLED, androidx.core.net.ConnectivityManagerCompat.RESTRICT_BACKGROUND_STATUS_WHITELISTED, androidx.core.net.ConnectivityManagerCompat.RESTRICT_BACKGROUND_STATUS_ENABLED}) @RestrictTo(androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP_PREFIX) @java.lang.annotation.Retention(java.lang.annotation.RetentionPolicy.SOURCE) public static @interface ConnectivityManagerCompat.RestrictBackgroundStatus {
   }
 
-  public class MailTo {
+  public final class MailTo {
     method public String? getBcc();
     method public String? getBody();
     method public String? getCc();

diff --git a/core/core/src/main/java/androidx/core/net/MailTo.java b/core/core/src/main/java/androidx/core/net/MailTo.java
index c941f5d..758ba47 100644
--- a/core/core/src/main/java/androidx/core/net/MailTo.java
+++ b/core/core/src/main/java/androidx/core/net/MailTo.java

@@ -32,7 +32,7 @@
  * <p>This class parses a mailto scheme URI and then can be queried for the parsed parameters.
  * This implements RFC 6068.
  */
-public class MailTo {
+public final class MailTo {
     public static final String MAILTO_SCHEME = "mailto:";
 
     // Well known headers