LUCI builds mount caches for dependencies they do not declare #173990
Description
... leading to confusing outcomes like #173986.
For example, Linux analyze:
"details": {
"bot_dimensions": {
"caches": [
"engine_main_builder",
"engine_main_git",
"flutter_main_android_sdk_version_36v1_legacy",
"flutter_main_chrome_and_driver_version_125_0_6422_141_legacy",
"flutter_main_open_jdk_version_21_legacy",
"gradle"
],... even though this builder only declares a dependency (at the moment) on ktlint:
Lines 349 to 352 in 2265d94