feat(Spotify): Add Unlock premium patch (#4644)

Co-authored-by: Nuckyz <61953774+Nuckyz@users.noreply.github.com>
Co-authored-by: Brosssh <tiabroch@gmail.com>

extensions/spotify/build.gradle.kts

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+dependencies {
+    compileOnly(project(":extensions:spotify:stub"))
+}

extensions/spotify/src/main/AndroidManifest.xml

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+<manifest/>

extensions/spotify/src/main/java/app/revanced/extension/spotify/misc/UnlockPremiumPatch.java

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+package app.revanced.extension.spotify.misc;
+
+import com.spotify.remoteconfig.internal.AccountAttribute;
+
+import java.util.Map;
+import java.util.Objects;
+
+/**
+ * @noinspection unused
+ */
+public final class UnlockPremiumPatch {
+    private static final Map<String, Object> OVERRIDES = Map.of(
+            // Disables player and app ads.
+            "ads", false,
+            // Works along on-demand, allows playing any song without restriction.
+            "player-license", "premium",
+            // Disables shuffle being initially enabled when first playing a playlist.
+            "shuffle", false,
+            // Allows playing any song on-demand, without a shuffled order.
+            "on-demand", true,
+            // Allows adding songs to queue and removes the smart shuffle mode restriction, 
+            // allowing to pick any of the other modes.
+            "pick-and-shuffle", false,
+            // Disables shuffle-mode streaming-rule, which forces songs to be played shuffled 
+            // and breaks the player when other patches are applied.
+            "streaming-rules", "",
+            // Enables premium UI in settings and removes the premium button in the nav-bar.
+            "nft-disabled", "1"
+    );
+
+    public static void overrideAttribute(Map<String, AccountAttribute> attributes) {
+        for (var entry : OVERRIDES.entrySet()) {
+            var attribute = Objects.requireNonNull(attributes.get(entry.getKey()));
+            attribute.value_ = entry.getValue();
+        }
+    }
+}

extensions/spotify/stub/build.gradle.kts

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+plugins {
+    id(libs.plugins.android.library.get().pluginId)
+}
+
+android {
+    namespace = "app.revanced.extension"
+    compileSdk = 34
+
+    defaultConfig {
+        minSdk = 26
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+}

extensions/spotify/stub/src/main/AndroidManifest.xml

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+<manifest/>

extensions/spotify/stub/src/main/java/com/spotify/remoteconfig/internal/AccountAttribute.java

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+package com.spotify.remoteconfig.internal;
+
+public final class AccountAttribute {
+    public Object value_;
+}