Merge "PowerStatsLogger: ensure the opend stream is closed when IOException happen." into main

    }

    private void updateCacheFile(String cacheFilename, byte[] data) {

        AtomicFile atomicCachedFile = null;

        FileOutputStream fos = null;

        try {

            final AtomicFile atomicCachedFile =

            atomicCachedFile =

                    new AtomicFile(new File(mDataStoragePath, cacheFilename));

            final FileOutputStream fos = atomicCachedFile.startWrite();

            fos = atomicCachedFile.startWrite();

            fos.write(data);

            atomicCachedFile.finishWrite(fos);

        } catch (IOException e) {

            Slog.e(TAG, "Failed to write current data to cached file", e);

            if (fos != null) {

                atomicCachedFile.failWrite(fos);

            }

            return;

        }

    }