Minimize the API calls done by InputLayoutCache::applyVertexBuffers.
Minimize the API calls done by InputLayoutCache::applyVertexBuffers.

Reduce the number of IASetInputLayout calls to 1 in all cases and set the
fewest number of buffers at once.

BUG=260069

Change-Id: I059337fc6601ecefd801ef37546935becaa0d355
Reviewed-on: https://chromium-review.googlesource.com/199345
Reviewed-by: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>
Reviewed-by: Shannon Woods <0f3694938fd5703bd548127ee497e4d604509bef@chromium.org>
Tested-by: Geoff Lang <b6fc25fe0362055230985c05cbfa8adb741ccc0f@chromium.org>

mybios/angle,domokit/waterfall,mikolalysenko/angle,ecoal95/angle,jgcaaprom/android_external_chromium_org_third_party_angle,csa7mdm/angle,ghostoy/angle,xin3liang/platform_external_chromium_org_third_party_angle,mrobinson/rust-angle,bsergean/angle,mybios/angle,mlfarrell/angle,vvuk/angle,ppy/angle,ecoal95/angle,geekboxzone/lollipop_external_chromium_org_third_party_angle,android-ia/platform_external_chromium_org_third_party_angle,geekboxzone/lollipop_external_chromium_org_third_party_angle,mikolalysenko/angle,MIPS/external-chromium_org-third_party-angle,jgcaaprom/android_external_chromium_org_third_party_angle,mrobinson/rust-angle,bsergean/angle,larsbergstrom/angle,MSOpenTech/angle,domokit/waterfall,ppy/angle,csa7mdm/angle,mikolalysenko/angle,csa7mdm/angle,larsbergstrom/angle,xin3liang/platform_external_chromium_org_third_party_angle,ghostoy/angle,ecoal95/angle,crezefire/angle,geekboxzone/lollipop_external_chromium_org_third_party_angle,mrobinson/rust-angle,mrobinson/rust-angle,bsergean/angle,ecoal95/angle,geekboxzone/lollipop_external_chromium_org_third_party_angle,nandhanurrevanth/angle,nandhanurrevanth/angle,nandhanurrevanth/angle,crezefire/angle,vvuk/angle,mrobinson/rust-angle,vvuk/angle,xin3liang/platform_external_chromium_org_third_party_angle,MIPS/external-chromium_org-third_party-angle,crezefire/angle,ppy/angle,xin3liang/platform_external_chromium_org_third_party_angle,jgcaaprom/android_external_chromium_org_third_party_angle,android-ia/platform_external_chromium_org_third_party_angle,vvuk/angle,bsergean/angle,android-ia/platform_external_chromium_org_third_party_angle,MSOpenTech/angle,nandhanurrevanth/angle,mlfarrell/angle,ghostoy/angle,MIPS/external-chromium_org-third_party-angle,crezefire/angle,mlfarrell/angle,mybios/angle,android-ia/platform_external_chromium_org_third_party_angle,csa7mdm/angle,ppy/angle,MIPS/external-chromium_org-third_party-angle,MSOpenTech/angle,jgcaaprom/android_external_chromium_org_third_party_angle,larsbergstrom/angle,larsbergstrom/angle,mlfarrell/angle,MSOpenTech/angle,ecoal95/angle,ghostoy/angle,mikolalysenko/angle,mybios/angle