[Android] update floor map image

[ked4ma]

Issue

• close #1130

Overview (Required)

• as written in title, update image of floor map (for basement)
• when i checked figma, there are some change history about floor map image(basement).
  • so I updated this image to new one.

Links

• figma

Screenshot (Optional if screenshot test is present or unrelated to UI)

Before	After

[github-actions[bot]]

Snapshot diff report	File name	Image
io.github.droidkaigi .confsched2023.floor map_null_Language_Pr eviewFloorMapScreen- Japanese-0_2_null_co mpare.png
KaigiAppTest.checkNa vigateToFloorMapShot _compare.png
io.github.droidkaigi .confsched2023.floor map_null_Theme_Previ ewFloorMapScreen-Lig htMode-0_0_null_comp are.png
io.github.droidkaigi .confsched2023.floor map_null_Language_Pr eviewFloorMapScreen- English-0_3_null_com pare.png
io.github.droidkaigi .confsched2023.floor map_null_Theme_Previ ewFloorMapScreen-Dar kMode-0_1_null_compa re.png
io.github.droidkaigi .confsched2023.floor map.section_null_The me_BasementFloorMapP review-LightMode-3_3 _null_compare.png
io.github.droidkaigi .confsched2023.floor map.section_null_The me_BasementFloorMapP review-DarkMode-34 null_compare.png
KaigiAppTest.checkMe diumTabletNavigateTo FloorMapShot_compare .png
FloorMapScreenTest.c heckLaunchShot_compa re.png

[github-actions[bot]]

Test Results

215 tests   215 :heavy_check_mark:  5m 58s :stopwatch:   11 suites      0 :zzz:   11 files        0 :x:

Results for commit 991647dd.