Enable stagefright's http implementation by default.
Enable stagefright's http implementation by default.

related-to-bug: 2395398

fallouttester/platform_manifest,see4ri/lolili,xorware/android_build,xorware/android_build,xorware/android_build,knone1/platform_manifest,Hybrid-Power/startsync,hagar006/platform_manifest,xorware/android_build,RR-msm7x30/platform_manifest,pranav01/platform_manifest,ND-3500/platform_manifest,xorware/android_build