Autoupdate of 2 submodules

*external/icu updated to 6cc39934b643ee7fc71d85c96a3536f020cbd8be
DO NOT MERGE Update Android ICU data from 2025a to 2025b. [U] am: 5eac6ed814

Original change: https://android-review.googlesource.com/c/platform/external/icu/+/3935432

Change-Id: Ifcffbe8af3fb35ac4e371d28cb54ae7a7436c804
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

*system/timezone updated to 6ace12f8b867ce581bf2d4c86e7ae21c4d85062f
DO NOT MERGE Update Android TZDB from 2025b to 2025c [U] am: b623cd1db6

Original change: https://android-review.googlesource.com/c/platform/system/timezone/+/3933759

Change-Id: I332a2abb35545127b440d1636ac0b358e6739db4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

2 files changed