manifest: use omnirom MediaProvider

Change-Id: I95e78cfa15d2d31543e0fe38fb339e9efe67b057
diff --git a/omni-aosp.xml b/omni-aosp.xml
index f3f8a74..bcbecba 100644
--- a/omni-aosp.xml
+++ b/omni-aosp.xml
@@ -85,6 +85,7 @@
   <project path="packages/inputmethods/LatinIME" name="android_packages_inputmethods_LatinIME" remote="omnirom" revision="android-10" />
 
   <project path="packages/providers/DownloadProvider" name="android_packages_providers_DownloadProvider" remote="omnirom" revision="android-10" />
+  <project path="packages/providers/MediaProvider" name="android_packages_providers_MediaProvider" remote="omnirom" revision="android-10" />
 
   <project path="packages/services/Telephony" name="android_packages_services_Telephony" remote="omnirom" revision="android-10" />
   <project path="packages/services/Telecomm" name="android_packages_services_Telecomm" remote="omnirom" revision="android-10" />