Support cc_library_shared for mixed builds

Authors: cparsons, eakammer, jingwen

This CL also contains .toc file integration between Bazel and Make.

Fixes: b/190524879

Test: build/bazel/ci/mixed_droid.sh

Co-authored-by: Christopher Parsons <cparsons@google.com>
Co-authored-by: Liz Kammer <eakammer@google.com>
Co-authored-by: Jingwen Chen <jingwen@google.com>

Change-Id: If484042a58cb9f0db6d30a460f415f5684b4cbf6
diff --git a/cc/library_headers.go b/cc/library_headers.go
index 2065929..d6b4529 100644
--- a/cc/library_headers.go
+++ b/cc/library_headers.go
@@ -73,13 +73,7 @@
 	// HeaderLibraryInfo is an empty struct to indicate to dependencies that this is a header library
 	ctx.SetProvider(HeaderLibraryInfoProvider, HeaderLibraryInfo{})
 
-	flagExporterInfo := flagExporterInfoFromCcInfo(ctx, ccInfo)
-	// Store flag info to be passed along to androimk
-	// TODO(b/184387147): Androidmk should be done in Bazel, not Soong.
-	h.library.flagExporterInfo = &flagExporterInfo
-	// flag exporters consolidates properties like includes, flags, dependencies that should be
-	// exported from this module to other modules
-	ctx.SetProvider(FlagExporterInfoProvider, flagExporterInfo)
+	h.library.setFlagExporterInfoFromCcInfo(ctx, ccInfo)
 
 	// Dependencies on this library will expect collectedSnapshotHeaders to be set, otherwise
 	// validation will fail. For now, set this to an empty list.