Add extra permissions to CalendarProvider.

Per requirement of cross profile calendar feature, CalendarProvider will
need MANAGE_USER to get work profile user, and INTERACT_WITH_USER to
access its work profile equivalent. This feature provides a way for
apps in personal profile to access certain data in work profile
CalendarProvider using personal profile CalendarProvider as a bridge.

Personal CalendarProvider needs to get the corp user ID, so it needs to
call userManager.getUsers() which requires
{@link android.Manifest.permission#MANAGE_USERS} permission.

We'll maintain a whitelist of packages set by DPC that are granted access
to cross profile Uris in CalendarProvider, so random personal apps
won't be able to access those Uris.

Bug: 118456304
Test: manual
Change-Id: If4567f9bf63f1930fa18ca92247a63adcc0f9aae
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 2c0d718..501c1ae 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -37,6 +37,8 @@
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.UPDATE_APP_OPS_STATS" />
     <uses-permission android:name="android.permission.USE_RESERVED_DISK" />
+    <uses-permission android:name="android.permission.MANAGE_USERS" />
+    <uses-permission android:name="android.permission.INTERACT_ACROSS_USERS" />
 
     <application android:label="@string/calendar_storage"
                  android:allowBackup="false"