Move libnative_bridge_guest_libicu* from soong namespaces am: a2533e9415 am: f6560e3115 am: c7e51faffd

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

Change-Id: I5da9cd11b0fde1d41ec274f08358582d2d5e6c07