GH-329: (android) Fixes issue: Exif data lost on many cases (#331)

* GH-329 android: Fix Exif data lost when correctOrientation is true

* Changed variable name

src/android/CameraLauncher.java

@@ -988,6 +988,7 @@ private Bitmap getScaledAndRotatedBitmap(String imageUrl) throws IOException {
                         // read exifData of source
                         exifData = new ExifHelper();
                         exifData.createInFile(filePath);
+                        exifData.readExifData();
                         // Use ExifInterface to pull rotation information
                         if (this.correctOrientation) {
                             ExifInterface exif = new ExifInterface(filePath);