Allow spoofing signingInfo for microG Companion/Services

- Spoof PackageInfo signingInfo + signatures so that
  G suite apps do not complain anymore.

- Handle NPE for case like this
01-22 17:11:10.418  1828  1828 E System  : java.lang.NullPointerException: Attempt to get length of null array

Co-authored-by: althafvly <althafvly@gmail.com>
Co-authored-by: Michael Bestas <mkbestas@gmail.com>
Change-Id: I86f182c9e1d18b0e997803842577a90ef740cfd1
1 file changed