stub: add android.os.SystemProperties class

Signed-off-by: BlackMesa123 <giangrecosalvo9@gmail.com>

stub/build.gradle

@@ -14,3 +14,7 @@ android {
         targetCompatibility = JavaVersion.VERSION_17
     }
 }
+
+dependencies {
+    implementation 'androidx.annotation:annotation:1.6.0'
+}

stub/src/main/java/android/os/SystemProperties.java

@@ -0,0 +1,78 @@
+package android.os;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+public class SystemProperties {
+    @NonNull
+    public static String get(@NonNull String key) {
+        throw new RuntimeException("Stub!");
+    }
+
+    @NonNull
+    public static String get(@NonNull String key, @Nullable String def) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public static int getInt(@NonNull String key, int def) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public static long getLong(@NonNull String key, long def) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public static boolean getBoolean(@NonNull String key, boolean def) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public static void set(@NonNull String key, @Nullable String val) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public static void addChangeCallback(@NonNull Runnable callback) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public static void removeChangeCallback(@NonNull Runnable callback) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public static void reportSyspropChanged() {
+        throw new RuntimeException("Stub!");
+    }
+
+    public static @NonNull String digestOf(@NonNull String... keys) {
+        throw new RuntimeException("Stub!");
+    }
+
+    private SystemProperties() {
+        throw new RuntimeException("Stub!");
+    }
+
+    @Nullable public static Handle find(@NonNull String name) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public static final class Handle {
+        @NonNull public String get() {
+            throw new RuntimeException("Stub!");
+        }
+
+        public int getInt(int def) {
+            throw new RuntimeException("Stub!");
+        }
+
+        public long getLong(long def) {
+            throw new RuntimeException("Stub!");
+        }
+
+        public boolean getBoolean(boolean def) {
+            throw new RuntimeException("Stub!");
+        }
+
+        private Handle(long nativeHandle) {
+            throw new RuntimeException("Stub!");
+        }
+    }
+}