Add Target to cc.SharedLibraryInfo

Dependencies from common arch modules like java libraires to cc modules
may need to retrieve the Target of the library, add it to
SharedLibraryInfo.

Bug: 176593487
Test: cc_test.go
Change-Id: I93ab9da5fab2ccc42c6b483a6d83c071b541d1e6
diff --git a/cc/prebuilt.go b/cc/prebuilt.go
index 2cd18cb..411a369 100644
--- a/cc/prebuilt.go
+++ b/cc/prebuilt.go
@@ -185,6 +185,7 @@
 			ctx.SetProvider(SharedLibraryInfoProvider, SharedLibraryInfo{
 				SharedLibrary:           outputFile,
 				UnstrippedSharedLibrary: p.unstrippedOutputFile,
+				Target:                  ctx.Target(),
 
 				TableOfContents: p.tocFile,
 			})