Track change to path arg passed to tzdatacheck

Track a change to the path argument passed to tzdatacheck
in init.rc. The test exists to confirm that every Android
device has the file(s) necessary for tzdatacheck to work.
tzdatacheck only uses tz_version so the test only now
checks that file.

Bug: 132168458
Test: atest com.android.cts.tzdata.TzDataCheckTest
Change-Id: I31f083f1c6ec2cc1cff474ec7420defce06a96de
1 file changed