AAPT2: Shared library support

Test: make aapt2_tests
Change-Id: I98dddf1367e6c0ac425bb20be46e6ff05f4f2f45
diff --git a/tools/aapt2/compile/IdAssigner.h b/tools/aapt2/compile/IdAssigner.h
index 9640eb8..3dcb1eb 100644
--- a/tools/aapt2/compile/IdAssigner.h
+++ b/tools/aapt2/compile/IdAssigner.h
@@ -26,11 +26,8 @@
 
 namespace aapt {
 
-/**
- * Assigns IDs to each resource in the table, respecting existing IDs and
- * filling in gaps
- * in between fixed ID assignments.
- */
+// Assigns IDs to each resource in the table, respecting existing IDs and
+// filling in gaps in between fixed ID assignments.
 class IdAssigner : public IResourceTableConsumer {
  public:
   IdAssigner() = default;