ExifInterface: handle the invalid offsets and count numbers

Some JPEG images generated by various camera vendors have wrong offsets
and invalid numbers for indicating the size of components. Instead of
throwing exceptions, this CL makes Exifinterface ignore these cases to
read the information without losing contents already parsed.

Bug: 27583378
Change-Id: Ie8ee0bf49283ef519f4f31c5b8ba78ce3f82fe92