make move-ctor and destructor noexcept for folly::Optional
make move-ctor and destructor noexcept for folly::Optional

Summary:
as per summary
@override-unit-failures

Test Plan: run unit tests

Reviewed By: delong.j@fb.com

FB internal diff: D1031726

upsoft/folly,wildinto/folly,sakishum/folly,stonegithubs/folly,arg0/folly,fw1121/folly,shaobz/folly,constantine001/folly,zhiweicai/folly,sonnyhu/folly,xzmagic/folly,rklabs/folly,romange/folly,loverszhaokai/folly,tempbottle/folly,Eagle-X/folly,wildinto/folly,bikong2/folly,shaobz/folly,gaoyingie/folly,rklabs/folly,raphaelamorim/folly,reddit/folly,Hincoin/folly,stonegithubs/folly,constantine001/folly,bikong2/folly,yangjin-unique/folly,SeanRBurton/folly,PPC64/folly,sakishum/folly,raphaelamorim/folly,cole14/folly,romange/folly,gaoyingie/folly,romange/folly,colemancda/folly,hongliangzhao/folly,xzmagic/folly,charsyam/folly,Orvid/folly,unmeshvrije/C--,PoisonBOx/folly,SammyK/folly,facebook/folly,gavioto/folly,romange/folly,colemancda/folly,loversInJapan/folly,renyinew/folly,ykarlsbrun/folly,bikong2/folly,alexst07/folly,Eagle-X/folly,guker/folly,zhiweicai/folly,gavioto/folly,kernelim/folly,tempbottle/folly,juniway/folly,PPC64/folly,raphaelamorim/folly,clearlylin/folly,cole14/folly,shaobz/folly,gaoyingie/folly,clearlylin/folly,bowlofstew/folly,arg0/folly,Eagle-X/folly,nickhen/folly,tomhughes/folly,mqeizi/folly,tomhughes/folly,Hincoin/folly,bowlofstew/folly,sonnyhu/folly,CJstar/folly,charsyam/folly,CJstar/folly,Orvid/folly,yangjin-unique/folly,renyinew/folly,unmeshvrije/C--,shaobz/folly,clearlylin/folly,tomhughes/folly,KSreeHarsha/folly,nickhen/folly,tempbottle/folly,gavioto/folly,zhiweicai/folly,unmeshvrije/C--,stonegithubs/folly,bowlofstew/folly,brunomorishita/folly,romange/folly,mqeizi/folly,SeanRBurton/folly,cppfool/folly,brunomorishita/folly,leolujuyi/folly,arg0/folly,renyinew/folly,chjp2046/folly,KSreeHarsha/folly,ykarlsbrun/folly,alexst07/folly,KSreeHarsha/folly,doctaweeks/folly,xzmagic/folly,project-zerus/folly,cppfool/folly,chjp2046/folly,Eagle-X/folly,lifei/folly,project-zerus/folly,PoisonBOx/folly,stonegithubs/folly,yangjin-unique/folly,kernelim/folly,upsoft/folly,rklabs/folly,fw1121/folly,shaobz/folly,Orvid/folly,cole14/folly,bsampath/folly,juniway/folly,bsampath/folly,cppfool/folly,PoisonBOx/folly,lifei/folly,facebook/folly,loverszhaokai/folly,guker/folly,constantine001/folly,sonnyhu/folly,nickhen/folly,bowlofstew/folly,unmeshvrije/C--,bowlofstew/folly,brunomorishita/folly,PoisonBOx/folly,charsyam/folly,project-zerus/folly,clearlinux/folly,leolujuyi/folly,xzmagic/folly,guker/folly,reddit/folly,leolujuyi/folly,fw1121/folly,charsyam/folly,zhiweicai/folly,hongliangzhao/folly,clearlylin/folly,colemancda/folly,floxard/folly,bsampath/folly,clearlinux/folly,colemancda/folly,sakishum/folly,loverszhaokai/folly,guker/folly,kernelim/folly,doctaweeks/folly,lifei/folly,SammyK/folly,theiver9827/folly,floxard/folly,bobegir/folly,chjp2046/folly,theiver9827/folly,fw1121/folly,loversInJapan/folly,sakishum/folly,gaoyingie/folly,project-zerus/folly,SammyK/folly,gaoyingie/folly,floxard/folly,Eagle-X/folly,raphaelamorim/folly,alexst07/folly,unmeshvrije/C--,PoisonBOx/folly,bobegir/folly,bikong2/folly,xzmagic/folly,Orvid/folly,upsoft/folly,unmeshvrije/C--,renyinew/folly,theiver9827/folly,brunomorishita/folly,KSreeHarsha/folly,SammyK/folly,zhiweicai/folly,cppfool/folly,bsampath/folly,loversInJapan/folly,reddit/folly,floxard/folly,SammyK/folly,ykarlsbrun/folly,bikong2/folly,arg0/folly,reddit/folly,hongliangzhao/folly,floxard/folly,PPC64/folly,ykarlsbrun/folly,chjp2046/folly,SeanRBurton/folly,wildinto/folly,CJstar/folly,doctaweeks/folly,kernelim/folly,hongliangzhao/folly,CJstar/folly,bobegir/folly,clearlylin/folly,constantine001/folly,alexst07/folly,wildinto/folly,kernelim/folly,theiver9827/folly,raphaelamorim/folly,loversInJapan/folly,Hincoin/folly,juniway/folly,cole14/folly,yangjin-unique/folly,hongliangzhao/folly,gavioto/folly,tomhughes/folly,SeanRBurton/folly,tempbottle/folly,colemancda/folly,bsampath/folly,Hincoin/folly,reddit/folly,facebook/folly,mqeizi/folly,loversInJapan/folly,doctaweeks/folly,constantine001/folly,upsoft/folly,SeanRBurton/folly,brunomorishita/folly,renyinew/folly,clearlinux/folly,rklabs/folly,CJstar/folly,chjp2046/folly,yangjin-unique/folly,lifei/folly,cole14/folly,doctaweeks/folly,leolujuyi/folly,ykarlsbrun/folly,sakishum/folly,tomhughes/folly,loverszhaokai/folly,KSreeHarsha/folly,fw1121/folly,nickhen/folly,wildinto/folly,sonnyhu/folly,juniway/folly,upsoft/folly,PPC64/folly,loverszhaokai/folly,facebook/folly,Orvid/folly,bobegir/folly,juniway/folly,clearlinux/folly,arg0/folly,stonegithubs/folly,clearlinux/folly,gavioto/folly,project-zerus/folly,rklabs/folly,tempbottle/folly,mqeizi/folly,lifei/folly,guker/folly,mqeizi/folly,cppfool/folly,bobegir/folly,theiver9827/folly,sonnyhu/folly,Hincoin/folly,nickhen/folly,facebook/folly,alexst07/folly,leolujuyi/folly,PPC64/folly