MediaCas: Add API to update client priority and nice value.

Added updateResourcePriority api to update client priority to
a preferred value along with a nice value.

Bug: 264857199
Bug: 300565729
Test: atest MediaCasTest
(cherry picked from https://android-review.googlesource.com/q/commit:e8d4d794c1a11e864b905ab4696c722731539ff7)
Change-Id: If46a294dc63dbcdc1467045b6bebcc2da78541d9

NOTE FOR REVIEWERS - original patch and result patch are not identical.
PLEASE REVIEW CAREFULLY.
Diffs between the patches:
     name: "update_client_profile_priority"
> +    namespace: "media"
> +    description : "Feature flag to add updateResourcePriority api to MediaCas"
> +    bug: "300565729"
> +}
> +
> +flag {

Original patch:
 From e8d4d794c1a11e864b905ab4696c722731539ff7 Mon Sep 17 00:00:00 2001
From: Sham Rathod <sham.rathod@ittiam.com>
Date: Thu, 18 Jan 2024 17:27:43 +0530
Subject: [PATCH] MediaCas: Add API to update client priority and nice value.

Added updateResourcePriority api to update client priority to
a preferred value along with a nice value.

Bug: 264857199
Bug: 300565729
Test: atest MediaCasTest
Change-Id: If46a294dc63dbcdc1467045b6bebcc2da78541d9
---

Result patch:
 diff --git a/core/api/current.txt b/core/api/current.txt
index 13d5e03..dff7d16 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -22486,6 +22486,7 @@
     method public void sendEvent(int, int, @Nullable byte[]) throws android.media.MediaCasException;
     method public void setEventListener(@Nullable android.media.MediaCas.EventListener, @Nullable android.os.Handler);
     method public void setPrivateData(@NonNull byte[]) throws android.media.MediaCasException;
+    method @FlaggedApi("com.android.media.flags.update_client_profile_priority") public boolean updateResourcePriority(int, int);
     field public static final int PLUGIN_STATUS_PHYSICAL_MODULE_CHANGED = 0; // 0x0
     field public static final int PLUGIN_STATUS_SESSION_NUMBER_CHANGED = 1; // 0x1
     field public static final int SCRAMBLING_MODE_AES128 = 9; // 0x9
diff --git a/media/java/android/media/MediaCas.java b/media/java/android/media/MediaCas.java
index 2d7db5e..8b04644 100644
--- a/media/java/android/media/MediaCas.java
+++
[[[Result patch trimmed due to size. Decoded string size: 3244. Decoded string SHA1: b4fc385ecbc79900316f18b31cf82c5f87ec6b69.]]]

Change-Id: I34af0b4c66280c74fb742057e1ae3061b43de38e