Invalidate style stack resids

Style resid stacks should also be invalidated when invalidating
AssetManager caches.

Bug:117176857
Test: manual
Change-Id: I28224597adf4b0af8326bd788eab289e4ba60418
diff --git a/libs/androidfw/AssetManager2.cpp b/libs/androidfw/AssetManager2.cpp
index 117d05e..d74f27c 100644
--- a/libs/androidfw/AssetManager2.cpp
+++ b/libs/androidfw/AssetManager2.cpp
@@ -1052,6 +1052,8 @@
 }
 
 void AssetManager2::InvalidateCaches(uint32_t diff) {
+  cached_bag_resid_stacks_.clear();
+
   if (diff == 0xffffffffu) {
     // Everything must go.
     cached_bags_.clear();