Add new INSTALL_DPC_PACKAGES permission

Add a new permission that allows the holder to install a DPC package
without requiring user action.

Test: N/A
Bug: 204416562
Bug: 188410712
Change-Id: Ib0ef022d0af41562eeef89a027b23d9692488933
diff --git a/packages/Shell/AndroidManifest.xml b/packages/Shell/AndroidManifest.xml
index ddf0289..4bf1ad9 100644
--- a/packages/Shell/AndroidManifest.xml
+++ b/packages/Shell/AndroidManifest.xml
@@ -162,6 +162,7 @@
     <uses-permission android:name="android.permission.SET_ORIENTATION" />
     <uses-permission android:name="android.permission.INSTALL_PACKAGES" />
     <uses-permission android:name="android.permission.INSTALL_PACKAGE_UPDATES" />
+    <uses-permission android:name="android.permission.INSTALL_DPC_PACKAGES" />
     <uses-permission android:name="com.android.permission.USE_INSTALLER_V2" />
     <uses-permission android:name="android.permission.INSTALL_TEST_ONLY_PACKAGE" />
     <uses-permission android:name="com.android.permission.USE_SYSTEM_DATA_LOADERS" />