Add Widevine L3 drm service to cuttlefish

In adding Widevine L3 drm service to cuttlefish,
we have moved the open code Widevine fqname reference
to vendor/widevine. Remove duplicate code in device
manifest.xml.

Test: Build successfully
Test: suggestion: Play Movies & TV, Netflix and Exoplayer
Test: suggestion: GTS L1 tests

bug: 141621537
Change-Id: I6beadd8742ebf2888d4b36c43dd886f3118ea87f
1 file changed