Merge changes I9876ff6b,Iccd7c1c1 into pi-dev

* changes:
  Add more hidden API on light greylist
  Add Thread.contextClassLoader to hidden API light greylist
diff --git a/config/hiddenapi-light-greylist.txt b/config/hiddenapi-light-greylist.txt
index 6cd6eaf..11b5d9c 100644
--- a/config/hiddenapi-light-greylist.txt
+++ b/config/hiddenapi-light-greylist.txt
@@ -373,6 +373,9 @@
 Landroid/app/SharedPreferencesImpl;-><init>(Ljava/io/File;I)V
 Landroid/app/SharedPreferencesImpl;->mFile:Ljava/io/File;
 Landroid/app/SharedPreferencesImpl;->startReloadIfChangedUnexpectedly()V
+Landroid/app/slice/SliceItem;->getTimestamp()J
+Landroid/app/slice/SliceManager;->bindSlice(Landroid/net/Uri;Ljava/util/List;)Landroid/app/slice/Slice;
+Landroid/app/slice/SliceManager;->pinSlice(Landroid/net/Uri;Ljava/util/List;)V
 Landroid/app/StatusBarManager;->collapsePanels()V
 Landroid/app/StatusBarManager;->disable(I)V
 Landroid/app/StatusBarManager;->expandNotificationsPanel()V
@@ -3457,6 +3460,7 @@
 Ljava/lang/String;-><init>(II[C)V
 Ljava/lang/System;->arraycopy([II[III)V
 Ljava/lang/System;-><init>()V
+Ljava/lang/Thread;->contextClassLoader:Ljava/lang/ClassLoader;
 Ljava/lang/Thread;->daemon:Z
 Ljava/lang/Thread;->dispatchUncaughtException(Ljava/lang/Throwable;)V
 Ljava/lang/ThreadGroup;->add(Ljava/lang/Thread;)V