Add sync method to GSettingsBackend, and pad
Add sync method to GSettingsBackend, and pad

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