Disallow disable / hide device provision app

+ Rename functions in ProtectedPackages.
+ Add a Set in ProtectedPackages to store protected package.

Bug: 29116229
Change-Id: Ib7dd93a158c09ebbf70f4d57c1afbd2c5102edbd
diff --git a/core/java/android/content/pm/PackageManagerInternal.java b/core/java/android/content/pm/PackageManagerInternal.java
index 14f7727..d208fe7 100644
--- a/core/java/android/content/pm/PackageManagerInternal.java
+++ b/core/java/android/content/pm/PackageManagerInternal.java
@@ -157,7 +157,7 @@
             int deviceOwnerUserId, String deviceOwner, SparseArray<String> profileOwners);
 
     /**
-     * Whether a package's data be cleared.
+     * Returns {@code true} if a given package can't be wiped. Otherwise, returns {@code false}.
      */
-    public abstract boolean canPackageBeWiped(int userId, String packageName);
+    public abstract boolean isPackageDataProtected(int userId, String packageName);
 }
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index a8bb0e0..e463f44 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -2499,4 +2499,6 @@
     <!-- True if the device supports system navigation keys. -->
     <bool name="config_supportSystemNavigationKeys">false</bool>
 
+    <!-- Package name for the device provisioning package. -->
+    <string name="config_deviceProvisioningPackage"></string>
 </resources>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 6b7d32d..759ed32 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -2632,4 +2632,7 @@
 
   <java-symbol type="layout" name="unsupported_display_size_dialog_content" />
   <java-symbol type="string" name="unsupported_display_size_message" />
+
+  <!-- Package name for the device provisioning package -->
+  <java-symbol type="string" name="config_deviceProvisioningPackage" />
 </resources>