Allow non-SDK Java libraries to masquerade as <uses-library>.

Extend usesLibraryProperties with a boolean is_uses_lib property and
move these properties from java.AndroidApp to java.Module to allow
java.Library modules set the new propery and be recognized as
<uses-library> by Soong.

Bug: 132357300
Test: lunch cf_x86_phone-userdebug && m
Change-Id: I01cd5e0da3dd543c1c0597249d37d0914b213ca7