[Thread] add Thread aconfig_declaration to java_sdk_library

This commit also moves Thread flags to Connectivity/common to ease
maintenance.

Test: m framework-connectivity-t
Bug: 317290555
Merged-In: I50f3d3b8205a5a9ee8154a649318a2c175edbb71
Merged-In: I8a71f4ee49cc68a9512f432e454469200f2a5058
Change-Id: I8a71f4ee49cc68a9512f432e454469200f2a5058
5 files changed