Disable SPDY support
Disable SPDY support

Bug: 8550454
Change-Id: Id16e59789b42e14ebee79309097504a86ec69e5a

Omegaphora/external_okhttp,geekboxzone/mmallow_external_okhttp,TeamExodus/external_okhttp,AOSPB/external_okhttp,AOSPB/external_okhttp,Infinitive-OS/platform_external_okhttp,android-ia/platform_external_okhttp,Infinitive-OS/platform_external_okhttp,PAC-ROM/android_external_okhttp,android-ia/platform_external_okhttp,c-ong/mirrored-okhttp,PAC-ROM/android_external_okhttp,SaleJumper/android-source-browsing.platform--external--okhttp,AOSPB/external_okhttp,xin3liang/platform_external_okhttp,boulzordev/android_external_okhttp,TeamExodus/external_okhttp,IllusionRom-deprecated/android_platform_external_okhttp,w3nd1go/android_external_okhttp,w3nd1go/android_external_okhttp,OneRom/external_okhttp,geekboxzone/lollipop_external_okhttp,AOSP-CAF/platform_external_okhttp,OneRom/external_okhttp,AOSP-CAF/platform_external_okhttp,byterom/android_external_okhttp,Omegaphora/external_okhttp,omnirom/android_external_okhttp,IllusionRom-deprecated/android_platform_external_okhttp,TeamExodus/external_okhttp,yinquan529/platform-external-okhttp,byterom/android_external_okhttp,Infinitive-OS/platform_external_okhttp,boulzordev/android_external_okhttp,bigfatbrowncat/avian-pack.android.external.okhttp,CyanogenMod/android_external_okhttp,bigfatbrowncat/avian-pack.android.external.okhttp,DirtyUnicorns/android_external_okhttp,geekboxzone/mmallow_external_okhttp,boulzordev/android_external_okhttp,CyanogenMod/android_external_okhttp,Omegaphora/external_okhttp,geekboxzone/lollipop_external_okhttp,PAC-ROM/android_external_okhttp,DirtyUnicorns/android_external_okhttp,Mahdi-Rom/android_external_okhttp,CyanogenMod/android_external_okhttp,xin3liang/platform_external_okhttp,AOSP-YU/platform_external_okhttp,geekboxzone/mmallow_external_okhttp,OneRom/external_okhttp,YUPlayGodDev/platform_external_okhttp,AOSP-YU/platform_external_okhttp,AOSP-CAF/platform_external_okhttp,SlimRoms/android_external_okhttp,YUPlayGodDev/platform_external_okhttp,AOSP-YU/platform_external_okhttp,w3nd1go/android_external_okhttp,byterom/android_external_okhttp,geekboxzone/lollipop_external_okhttp,android-ia/platform_external_okhttp,YUPlayGodDev/platform_external_okhttp