Merge "Support getStorageVolume() for synthetic volumes." into rvc-dev

import android.content.pm.PackageManager;

import android.content.res.ObbInfo;

import android.content.res.ObbScanner;

import android.database.Cursor;

import android.net.Uri;

import android.os.Binder;

import android.os.Environment;

     * {@link MediaStore} item.

     */

    public @NonNull StorageVolume getStorageVolume(@NonNull Uri uri) {

        final String volumeName = MediaStore.getVolumeName(uri);

        String volumeName = MediaStore.getVolumeName(uri);

        // When Uri is pointing at a synthetic volume, we're willing to query to

        // resolve the actual volume name

        if (Objects.equals(volumeName, MediaStore.VOLUME_EXTERNAL)) {

            try (Cursor c = mContext.getContentResolver().query(uri,

                    new String[] { MediaStore.MediaColumns.VOLUME_NAME }, null, null)) {

                if (c.moveToFirst()) {

                    volumeName = c.getString(0);

                }

            }

        }

        switch (volumeName) {

            case MediaStore.VOLUME_EXTERNAL_PRIMARY:

                return getPrimaryStorageVolume();