Don't report standard interfaces more than once
Don't report standard interfaces more than once

If they have a custom implementation, don't add the canned
introspection XML, just rely on the generated XML. Fixes
https://bugzilla.gnome.org/show_bug.cgi?id=642042

iConsole/Console-OS_external_bluetooth_glib,tamaskenez/glib,Distrotech/glib,krichter722/glib,johne53/MB3Glib,mzabaluev/glib,johne53/MB3Glib,iConsole/Console-OS_external_bluetooth_glib,zsx/glib,cention-sany/glib,ahmedammar/platform_external_gst_glib,krichter722/glib,darren-clark/android_platform_external_bluetooth_glib,antono/glib,zsx/glib,lukasz-skalski/glib,justinkb/aosp-bluez.glib,antono/glib,cention-sany/glib,bratsche/glib,MathieuDuponchelle/glib,pstglia/external-bluetooth-glib,MathieuDuponchelle/glib,pstglia/external-bluetooth-glib,djdeath/glib,Distrotech/glib,justinkb/aosp-bluez.glib,tchakabam/glib,gale320/glib,tchakabam/glib,pstglia/platform-external-bluetooth-glib,ieei/glib,ahmedammar/platform_external_gst_glib,justinkb/aosp-bluez.glib,tamaskenez/glib,cosimoc/glib,zsx/glib,mzabaluev/glib,cosimoc/glib,bratsche/glib,Distrotech/glib,cention-sany/glib,gale320/glib,justinkb/aosp-bluez.glib,johne53/MB3Glib,tchakabam/glib,darren-clark/android_platform_external_bluetooth_glib,johne53/MB3Glib,mzabaluev/glib,endlessm/glib,endlessm/glib,antono/glib,cosimoc/glib,bratsche/glib,01org/android-bluez-glib,djdeath/glib,djdeath/glib,lukasz-skalski/glib,lukasz-skalski/glib,ahmedammar/platform_external_gst_glib,antono/glib,pstglia/external-bluetooth-glib,johne53/MB3Glib,tamaskenez/glib,iConsole/Console-OS_external_bluetooth_glib,endlessm/glib,djdeath/glib,Distrotech/glib,iConsole/Console-OS_external_bluetooth_glib,bluez-android/glib,pstglia/platform-external-bluetooth-glib,djdeath/glib,mzabaluev/glib,gale320/glib,bluez-android/glib,cention-sany/glib,ieei/glib,ahmedammar/platform_external_gst_glib,01org/android-bluez-glib,krichter722/glib,krichter722/glib,pstglia/platform-external-bluetooth-glib,pstglia/external-bluetooth-glib,cosimoc/glib,tamaskenez/glib,pstglia/platform-external-bluetooth-glib,01org/android-bluez-glib,bluez-android/glib,bluez-android/glib,lukasz-skalski/glib,Distrotech/glib,johne53/MB3Glib,bratsche/glib,darren-clark/android_platform_external_bluetooth_glib,cention-sany/glib,darren-clark/android_platform_external_bluetooth_glib,tchakabam/glib,darren-clark/android_platform_external_bluetooth_glib,mzabaluev/glib,bluez-android/glib,tamaskenez/glib,01org/android-bluez-glib,MathieuDuponchelle/glib,ieei/glib,pstglia/platform-external-bluetooth-glib,ieei/glib,pstglia/external-bluetooth-glib,MathieuDuponchelle/glib,endlessm/glib,iConsole/Console-OS_external_bluetooth_glib,krichter722/glib,ieei/glib,lukasz-skalski/glib,MathieuDuponchelle/glib,01org/android-bluez-glib,gale320/glib,cosimoc/glib,endlessm/glib,tchakabam/glib,justinkb/aosp-bluez.glib,gale320/glib,zsx/glib