Fixed warning from unused code
Fixed warning from unused code

guestOS/guestOS,yuhangwang/cocotron,ruppmatt/cocotron,Suninus/cocotron,JackLian/cocotron,crystax/android-vendor-cocotron,yuhangwang/cocotron,cjwl/cocotron,JackLian/cocotron,cneira/cocotron,crystax/android-vendor-cocotron,cyclaero/cocotron,Suninus/cocotron,cneira/cocotron,crystax/android-vendor-cocotron,cneira/cocotron,cjwl/cocotron,cjwl/cocotron,yuhangwang/cocotron,guestOS/guestOS,guestOS/guestOS,ruppmatt/cocotron,cyclaero/cocotron,cyclaero/cocotron,JackLian/cocotron,gemu2015/cocotron-sierra,cjwl/cocotron,guestOS/guestOS,yuhangwang/cocotron,gemu2015/cocotron-sierra,gemu2015/cocotron-sierra,Suninus/cocotron,JackLian/cocotron,gemu2015/cocotron-sierra,ruppmatt/cocotron,Suninus/cocotron,cneira/cocotron,ruppmatt/cocotron,crystax/android-vendor-cocotron,cyclaero/cocotron