Move libnative_bridge_guest_libicu* from soong namespaces am: a2533e9415 am: f6560e3115

Original change: https://android-review.googlesource.com/c/platform/frameworks/libs/native_bridge_support/+/1454892

Change-Id: I329efc4d2a861b50f1a47bebbab55f69746a2aa8