Fix a compilation error for the ES3 CTS in 64bit.
Fix a compilation error for the ES3 CTS in 64bit.

The generated obj file was too large, it required an extra MSVC flag for
this particular project.

BUG=angle:497

Change-Id: I833a78611da78b0ac5a308547d11a911428ea04c
Reviewed-on: https://chromium-review.googlesource.com/214684
Reviewed-by: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>
Tested-by: Geoff Lang <b6fc25fe0362055230985c05cbfa8adb741ccc0f@chromium.org>

nandhanurrevanth/angle,geekboxzone/lollipop_external_chromium_org_third_party_angle,ecoal95/angle,MSOpenTech/angle,MIPS/external-chromium_org-third_party-angle,vvuk/angle,bsergean/angle,mlfarrell/angle,ecoal95/angle,mlfarrell/angle,jgcaaprom/android_external_chromium_org_third_party_angle,MIPS/external-chromium_org-third_party-angle,csa7mdm/angle,mikolalysenko/angle,vvuk/angle,mrobinson/rust-angle,mrobinson/rust-angle,mikolalysenko/angle,crezefire/angle,geekboxzone/lollipop_external_chromium_org_third_party_angle,android-ia/platform_external_chromium_org_third_party_angle,domokit/waterfall,mrobinson/rust-angle,ghostoy/angle,ppy/angle,crezefire/angle,mikolalysenko/angle,larsbergstrom/angle,mybios/angle,mybios/angle,csa7mdm/angle,larsbergstrom/angle,ghostoy/angle,crezefire/angle,geekboxzone/lollipop_external_chromium_org_third_party_angle,android-ia/platform_external_chromium_org_third_party_angle,MIPS/external-chromium_org-third_party-angle,ppy/angle,csa7mdm/angle,bsergean/angle,nandhanurrevanth/angle,android-ia/platform_external_chromium_org_third_party_angle,ghostoy/angle,MSOpenTech/angle,ppy/angle,larsbergstrom/angle,crezefire/angle,mrobinson/rust-angle,mybios/angle,domokit/waterfall,vvuk/angle,MSOpenTech/angle,geekboxzone/lollipop_external_chromium_org_third_party_angle,jgcaaprom/android_external_chromium_org_third_party_angle,ecoal95/angle,ppy/angle,jgcaaprom/android_external_chromium_org_third_party_angle,mrobinson/rust-angle,bsergean/angle,mlfarrell/angle,ecoal95/angle,csa7mdm/angle,vvuk/angle,MIPS/external-chromium_org-third_party-angle,nandhanurrevanth/angle,ecoal95/angle,larsbergstrom/angle,ghostoy/angle,bsergean/angle,jgcaaprom/android_external_chromium_org_third_party_angle,nandhanurrevanth/angle,mybios/angle,MSOpenTech/angle,mikolalysenko/angle,android-ia/platform_external_chromium_org_third_party_angle,mlfarrell/angle