Renamed `_environment_plist` implementation function to be consistent
Renamed `_environment_plist` implementation function to be consistent

PiperOrigin-RevId: 438866640
(cherry picked from commit 2b8796b16d4478661c93113c26a071ab286cc53a)

bazelbuild/rules_apple,bazelbuild/rules_apple,bazelbuild/rules_apple,bazelbuild/rules_apple