Track changes in system/timezone

Track changes in system/timezone: tzlookup_generator is moving from
system/timezone/tzlookup_generator to
system/timezone/input_tools/android/tzlookup_generator.

Bug: 143451294
Test: See system/timezone change
Change-Id: I90cea237f64f3036c7e43befcf3544ff62b3870d
1 file changed