Revert GYP_PARALLEL-on-by-default (r1666).
Revert GYP_PARALLEL-on-by-default (r1666).

Tests fail on the bots, see http://crbug.com/154205

R=scottmg@chromium.org

Review URL: https://codereview.chromium.org/18629005

git-svn-id: e7e1075985beda50ea81ac4472467b4f6e91fc78@1671 78cadc50-ecff-11dd-a971-7dbc132099af

mistydemeo/gyp,xin3liang/platform_external_chromium_org_tools_gyp,clar/gyp,bpsinc-native/src_tools_gyp,cysp/gyp,clar/gyp,duanhjlt/gyp,AOSPU/external_chromium_org_tools_gyp,svn2github/gyp,pyokagan/gyp,turbulenz/gyp,carlTLR/gyp,chromium/gyp,bpsinc-native/src_tools_gyp,bulldy80/gyp_unofficial,adblockplus/gyp,brson/gyp,okwasi/gyp,mgamer/gyp,sport-monkey/GYP,Jack-Q/GYP-copy,sdklite/gyp,Phuehvk/gyp,springmeyer/gyp,alexcrichton/gyp,turbulenz/gyp,sanyaade-teachings/gyp,omasanori/gyp,bnoordhuis/gyp,MIPS/external-chromium_org-tools-gyp,sanyaade-teachings/gyp,mgamer/gyp,omasanori/gyp,erikge/watch_gyp,omasanori/gyp,alexcrichton/gyp,xin3liang/platform_external_chromium_org_tools_gyp,dougbeal/gyp,openpeer/webrtc-gyp,msc-/gyp,openpeer/webrtc-gyp,IllusionRom-deprecated/android_platform_external_chromium_org_tools_gyp,cchamberlain/gyp,azunite/gyp_20150930,android-ia/platform_external_chromium_org_tools_gyp,mistydemeo/gyp,svn2github/gyp,ttyangf/gyp,saghul/gyn,yjhjstz/gyp,saghul/gyn,Jack-Q/GYP-copy,AOSPU/external_chromium_org_tools_gyp,ttyangf/pdfium_gyp,adblockplus/gyp,chromium/gyp,bnq4ever/gypgoogle,amoikevin/gyp,adblockplus/gyp,Danath/gyp,azunite/gyp_20150930,ttyangf/gyp,pandaxcl/gyp,yinquan529/platform-external-chromium_org-tools-gyp,tarc/gyp,Chilledheart/gyp,sanyaade-teachings/gyp,pyokagan/gyp,yinquan529/platform-external-chromium_org-tools-gyp,Danath/gyp,okumura/gyp,LazyCodingCat/gyp,springmeyer/gyp,trafi/gyp,pyokagan/gyp,pyokagan/gyp,Phuehvk/gyp,sport-monkey/GYP,clar/gyp,bulldy80/gyp_unofficial,amoikevin/gyp,adblockplus/gyp,yangrongwei/gyp,bpsinc-native/src_tools_gyp,brson/gyp,dougbeal/gyp,sloanyang/gyp,sport-monkey/GYP,carlTLR/gyp,erikge/watch_gyp,Phuehvk/gyp,yjhjstz/gyp,svn2github/kgyp,bnq4ever/gypgoogle,geekboxzone/lollipop_external_chromium_org_tools_gyp,enkripsi/gyp,yjhjstz/gyp,mapbox/gyp,AOSPU/external_chromium_org_tools_gyp,Omegaphora/external_chromium_org_tools_gyp,Phuehvk/gyp,android-ia/platform_external_chromium_org_tools_gyp,ttyangf/pdfium_gyp,svn2github/kgyp,ryfx/gyp,bnoordhuis/gyp,xin3liang/platform_external_chromium_org_tools_gyp,ttyangf/gyp,trafi/gyp,azunite/gyp,sport-monkey/GYP,yinquan529/platform-external-chromium_org-tools-gyp,brson/gyp,ttyangf/gyp,springmeyer/gyp,AWhetter/gyp,tarc/gyp,springmeyer/gyp,mistydemeo/gyp,azunite/gyp,IllusionRom-deprecated/android_platform_external_chromium_org_tools_gyp,mapbox/gyp,LazyCodingCat/gyp,springmeyer/gyp,svn2github/gyp,bpsinc-native/src_tools_gyp,okumura/gyp,ryfx/gyp,tarc/gyp,ryfx/gyp,Chilledheart/gyp,msc-/gyp,cysp/gyp,ttyangf/pdfium_gyp,IllusionRom-deprecated/android_platform_external_chromium_org_tools_gyp,Omegaphora/external_chromium_org_tools_gyp,Danath/gyp,mapbox/gyp,ttyangf/gyp,sanyaade-teachings/gyp,amoikevin/gyp,Chilledheart/gyp,Danath/gyp,chromium/gyp,erikge/watch_gyp,chromium/gyp,geekboxzone/lollipop_external_chromium_org_tools_gyp,Danath/gyp,pandaxcl/gyp,svn2github/kgyp,sdklite/gyp,openpeer/webrtc-gyp,bnq4ever/gypgoogle,dougbeal/gyp,Jack-Q/GYP-copy,sloanyang/gyp,bnq4ever/gypgoogle,bnoordhuis/gyp,LazyCodingCat/gyp,ryfx/gyp,yangrongwei/gyp,svn2github/kgyp,yjhjstz/gyp,clar/gyp,pyokagan/gyp,cchamberlain/gyp,bulldy80/gyp_unofficial,sloanyang/gyp,omasanori/gyp,duanhjlt/gyp,saghul/gyn,sanyaade-teachings/gyp,MIPS/external-chromium_org-tools-gyp,yangrongwei/gyp,tarc/gyp,turbulenz/gyp,dougbeal/gyp,sloanyang/gyp,bnq4ever/gypgoogle,luvit/gyp,Omegaphora/external_chromium_org_tools_gyp,openpeer/webrtc-gyp,LazyCodingCat/gyp,amoikevin/gyp,okwasi/gyp,AWhetter/gyp,Jack-Q/GYP-copy,yjhjstz/gyp,azunite/gyp,carlTLR/gyp,sdklite/gyp,geekboxzone/lollipop_external_chromium_org_tools_gyp,cysp/gyp,clar/gyp,Phuehvk/gyp,yinquan529/platform-external-chromium_org-tools-gyp,geekboxzone/lollipop_external_chromium_org_tools_gyp,LazyCodingCat/gyp,chromium/gyp,mgamer/gyp,sdklite/gyp,android-ia/platform_external_chromium_org_tools_gyp,brson/gyp,turbulenz/gyp,trafi/gyp,duanhjlt/gyp,okumura/gyp,azunite/gyp,carlTLR/gyp,amoikevin/gyp,msc-/gyp,cysp/gyp,luvit/gyp,turbulenz/gyp,MIPS/external-chromium_org-tools-gyp,Omegaphora/external_chromium_org_tools_gyp,MIPS/external-chromium_org-tools-gyp,pandaxcl/gyp,bulldy80/gyp_unofficial,azunite/gyp_20150930,ryfx/gyp,adblockplus/gyp,sport-monkey/GYP,bulldy80/gyp_unofficial,Jack-Q/GYP-copy,cchamberlain/gyp,AOSPU/external_chromium_org_tools_gyp,svn2github/gyp,msc-/gyp,saghul/gyn,enkripsi/gyp,okumura/gyp,IllusionRom-deprecated/android_platform_external_chromium_org_tools_gyp,openpeer/webrtc-gyp,msc-/gyp,saghul/gyn,bnoordhuis/gyp,erikge/watch_gyp,xin3liang/platform_external_chromium_org_tools_gyp,enkripsi/gyp,Chilledheart/gyp,luvit/gyp,luvit/gyp,alexcrichton/gyp,enkripsi/gyp,AWhetter/gyp,svn2github/gyp,tarc/gyp,trafi/gyp,pandaxcl/gyp,ttyangf/pdfium_gyp,enkripsi/gyp,cysp/gyp,dougbeal/gyp,mapbox/gyp,trafi/gyp,azunite/gyp,duanhjlt/gyp,android-ia/platform_external_chromium_org_tools_gyp,Chilledheart/gyp,AWhetter/gyp,mgamer/gyp,pandaxcl/gyp,azunite/gyp_20150930,AWhetter/gyp,mgamer/gyp,svn2github/kgyp,cchamberlain/gyp,azunite/gyp_20150930,mapbox/gyp,yangrongwei/gyp,carlTLR/gyp,okwasi/gyp,sdklite/gyp,mistydemeo/gyp,ttyangf/pdfium_gyp,bnoordhuis/gyp,duanhjlt/gyp,okwasi/gyp,erikge/watch_gyp,cchamberlain/gyp,alexcrichton/gyp