TIF: add TvInputManager methods to notify apps

Adds TvInputManager methods to notify apps with protected broadcasts
for:
1. Disabling browsable state of preview and watch next programs.
2. Adding preview programs to watch next programs.

Test: build and verify manually to check if notifications are
      broadcasted.
Bug: 35881266

Change-Id: I20fd5b63f42b2c74277315bbbd251b71c649e5c1
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 0a50048..866c47e 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -531,6 +531,9 @@
 
     <protected-broadcast android:name="android.content.pm.action.SESSION_COMMITTED" />
     <protected-broadcast android:name="android.os.action.USER_RESTRICTIONS_CHANGED" />
+    <protected-broadcast android:name="android.media.tv.action.PREVIEW_PROGRAM_ADDED_TO_WATCH_NEXT" />
+    <protected-broadcast android:name="android.media.tv.action.PREVIEW_PROGRAM_BROWSABLE_DISABLED" />
+    <protected-broadcast android:name="android.media.tv.action.WATCH_NEXT_PROGRAM_BROWSABLE_DISABLED" />
 
     <!-- ====================================================================== -->
     <!--                          RUNTIME PERMISSIONS                           -->
@@ -2511,6 +2514,13 @@
     <permission android:name="android.permission.MODIFY_PARENTAL_CONTROLS"
         android:protectionLevel="signature|privileged" />
 
+    <!-- @SystemApi Allows an application to notify TV inputs by sending broadcasts.
+         <p>Protection level: signature|privileged
+         <p>Not for use by third-party applications.
+         @hide -->
+    <permission android:name="android.permission.NOTIFY_TV_INPUTS"
+         android:protectionLevel="signature|privileged" />
+
     <!-- Must be required by a {@link android.media.routing.MediaRouteService}
          to ensure that only the system can interact with it.
          @hide -->