Add Landroid/app/LoadedApk;->mLibDir:Ljava/lang/String; to light grey.

bug: 77912446
Test: m
Change-Id: I81502667117a0584d150dc48d612a6a559dc3537
diff --git a/config/hiddenapi-light-greylist.txt b/config/hiddenapi-light-greylist.txt
index 66c2820..eacbf44 100644
--- a/config/hiddenapi-light-greylist.txt
+++ b/config/hiddenapi-light-greylist.txt
@@ -317,6 +317,7 @@
 Landroid/app/LoadedApk;->mDataDirFile:Ljava/io/File;
 Landroid/app/LoadedApk;->mDataDir:Ljava/lang/String;
 Landroid/app/LoadedApk;->mDisplayAdjustments:Landroid/view/DisplayAdjustments;
+Landroid/app/LoadedApk;->mLibDir:Ljava/lang/String;
 Landroid/app/LoadedApk;->mPackageName:Ljava/lang/String;
 Landroid/app/LoadedApk;->mReceivers:Landroid/util/ArrayMap;
 Landroid/app/LoadedApk;->mResDir:Ljava/lang/String;