api-impl: stubs and fixes for latest WhatsApp version

src/api-impl/android/content/Context.java

@@ -15,6 +15,7 @@ import android.bluetooth.BluetoothManager;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageParser;
+import android.content.pm.ShortcutManager;
 import android.content.res.AssetManager;
 import android.content.res.Configuration;
 import android.content.res.Resources;
@@ -39,6 +40,7 @@ import android.os.Handler;
 import android.os.Looper;
 import android.os.ParcelFileDescriptor;
 import android.os.PowerManager;
+import android.os.UserManager;
 import android.os.Vibrator;
 import android.telephony.TelephonyManager;
 import android.util.AttributeSet;
@@ -386,6 +388,10 @@ public class Context extends Object {
 		return prefs_dir;
 	}
 
+	public File[] getExternalMediaDirs() {
+		return getExternalFilesDirs("media");
+	}
+
 	public File getDir(String name, int mode) {
 		File dir = new File(getFilesDir(), name);
 		if (!dir.exists()) {
@@ -656,4 +662,11 @@ public class Context extends Object {
 	public void revokeUriPermission(Uri uri, int mode) {
 		System.out.println("revokeUriPermission(" + uri + ", " + mode + ") called");
 	}
+
+	public String getAttributionTag() {
+		return null;
+	}
+	public boolean isDeviceProtectedStorage() {
+		return false;
+	}
 }

src/api-impl/android/content/Intent.java

@@ -364,4 +364,8 @@ public class Intent implements Parcelable {
 	public byte[] getByteArrayExtra(String name) {
 		return extras.getByteArray(name);
 	}
+
+	public void removeExtra(String name) {
+		extras.remove(name);
+	}
 }

src/api-impl/android/content/pm/PackageInfo.java

@@ -243,4 +243,10 @@ public class PackageInfo {
 	public int describeContents() {
 		return 0;
 	}
+
+	public long getLongVersionCode() {
+		return versionCode;
+	}
+
+	public SigningInfo signingInfo = new SigningInfo();
 }

src/api-impl/android/content/pm/ShortcutManager.java

@@ -0,0 +1,15 @@
+package android.content.pm;
+
+import java.util.Collections;
+import java.util.List;
+
+public class ShortcutManager {
+	public void removeAllDynamicShortcuts() {
+	}
+
+	public List getShortcuts(int matchFlags) {
+		return Collections.emptyList();
+	}
+	public void removeLongLivedShortcuts(List<String> shortcutIds) {
+	}
+}

src/api-impl/android/content/pm/SigningInfo.java

@@ -0,0 +1,7 @@
+package android.content.pm;
+
+public final class SigningInfo {
+	public Signature[] getApkContentsSigners() {
+		return null;
+	}
+}

src/api-impl/android/content/res/Resources.java

@@ -1471,6 +1471,8 @@ public class Resources {
 		}
 
 		private final AssetManager mAssets;
+
+		public void rebase() {}
 	}
 
 	/**