refactor(behavior_path_planner): move ego data getters to abstract class

[takayuki5168]

Description

move getter functions of ego's data (pose, position, twist, speed) to abstract class.

Tests performed

Confirmed that build just passed since this is not a big change.

Effects on system behavior

No behavior change.

Pre-review checklist for the PR author

The PR author must check the checkboxes below when creating the PR.

• I've confirmed the contribution guidelines.
• The PR follows the pull request guidelines.

In-review checklist for the PR reviewers

The PR reviewers must check the checkboxes below before approval.

• The PR follows the pull request guidelines.

Post-review checklist for the PR author

The PR author must check the checkboxes below before merging.

• There are no open discussions or they are tracked via tickets.

After all checkboxes are checked, anyone who has write access can merge the PR.

[takayuki5168]

@purewater0901 This is a small refactoring PR. Could you review the PR.

[kosuke55]

LGTM

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.01 ⚠️

Comparison is base (79f7dc4) 13.15% compared to head (76dfd13) 13.15%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3422      +/-   ##
==========================================
- Coverage   13.15%   13.15%   -0.01%     
==========================================
  Files        1382     1382              
  Lines       97085    97306     +221     
  Branches    28099    28239     +140     
==========================================
+ Hits        12771    12797      +26     
- Misses      70624    70778     +154     
- Partials    13690    13731      +41     

Flag	Coverage Δ		*Carryforward flag
differential	12.22% <0.00%> (?)
total	13.14% <ø> (-0.01%)	⬇️	Carriedforward from 79f7dc4

*This pull request uses carry forward flags. Click here to find out more.

Impacted Files	Coverage Δ
...lanner/scene_module/avoidance/avoidance_module.hpp	0.00% <ø> (ø)
...th_planner/scene_module/avoidance_by_lc/module.hpp	0.00% <ø> (ø)
...ane_change/external_request_lane_change_module.hpp	0.00% <ø> (ø)
...er/scene_module/lane_change/lane_change_module.hpp	0.00% <ø> (ø)
...th_planner/scene_module/scene_module_interface.hpp	38.04% <0.00%> (-1.73%)	⬇️
...nner/scene_module/side_shift/side_shift_module.hpp	100.00% <ø> (+33.33%)	⬆️
...lanner/src/scene_module/avoidance_by_lc/module.cpp	0.00% <ø> (ø)
...ane_change/external_request_lane_change_module.cpp	14.74% <ø> (+0.72%)	⬆️
...rc/scene_module/lane_change/lane_change_module.cpp	9.15% <ø> (+0.45%)	⬆️

... and 4 files with indirect coverage changes

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.