This is a minor bugfix to replace non-ASCII Unicode characters with ASCII characters. Uses Java built-in Normalizer class, and NFD normalization form.
Dalvik/2.1.0 (Linux; U; Android 9; Pixel Build/PQ1A.190105.004) üniversite/org.edx.mobile/2.17.1
Dalvik/2.1.0 (Linux; U; Android 9; Pixel Build/PQ1A.190105.004) universite/org.edx.mobile/2.17.1
UserAgentInterceptor does not have tests, and I didn't add any to test normalization.