Merge "Revert "Revert "Revert "Revert "Drop all path-related methods from...

Merge "Revert "Revert "Revert "Revert "Drop all path-related methods from android::String8""""" into main am: 8245afd4

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2747144



Change-Id: I516a496f3299bc207ab1c1e2c5789cf61777ef86
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>