Merge "validate_path should only reject sudirs named ".."" into main am: a558897653 am: 63d0950f70

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/3242446

Change-Id: I51d1bca54647ab92d316f218fc6fdecf5ca3d5be
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>