Rationalize the handling of the native lib, and the plugin to manage native resources, like this icu dat file, needed by icu in sqlite in the libandroid_native.so used by robolectic (in some configurations or robolectric tests).

Test: atest NexusLauncherRoboTests; atest NativeGraphicsRoboTest
Bug: 393164499
Flag: TEST_ONLY
Change-Id: I5a5a39389d4c508347db6a4e975aae0bf093e349