Update stable to r5251.
Update stable to r5251.

git-svn-id: f19e82fbe6e257f45bd74f606d41eaec63f2fff3@5252 4adac7df-926f-26a2-2b94-8c16560cd09d

yinquan529/platform-external-chromium_org-third_party-libjingle-source-talk,geekboxzone/lollipop_external_chromium_org_third_party_libjingle_source_talk,AOSPU/external_chromium_org_third_party_libjingle_source_talk,Omegaphora/external_chromium_org_third_party_libjingle_source_talk,yinquan529/platform-external-chromium_org-third_party-libjingle-source-talk,geekboxzone/lollipop_external_chromium_org_third_party_libjingle_source_talk,geekboxzone/lollipop_external_chromium_org_third_party_libjingle_source_talk,Omegaphora/external_chromium_org_third_party_libjingle_source_talk,xin3liang/platform_external_chromium_org_third_party_libjingle_source_talk,android-ia/platform_external_chromium_org_third_party_libjingle_source_talk,xin3liang/platform_external_chromium_org_third_party_libjingle_source_talk,yinquan529/platform-external-chromium_org-third_party-libjingle-source-talk,Omegaphora/external_chromium_org_third_party_libjingle_source_talk,Omegaphora/external_chromium_org_third_party_libjingle_source_talk,geekboxzone/lollipop_external_chromium_org_third_party_libjingle_source_talk,yinquan529/platform-external-chromium_org-third_party-libjingle-source-talk,yinquan529/platform-external-chromium_org-third_party-libjingle-source-talk,xin3liang/platform_external_chromium_org_third_party_libjingle_source_talk,Omegaphora/external_chromium_org_third_party_libjingle_source_talk,android-ia/platform_external_chromium_org_third_party_libjingle_source_talk,AOSPU/external_chromium_org_third_party_libjingle_source_talk,geekboxzone/lollipop_external_chromium_org_third_party_libjingle_source_talk,AOSPU/external_chromium_org_third_party_libjingle_source_talk,yinquan529/platform-external-chromium_org-third_party-libjingle-source-talk,android-ia/platform_external_chromium_org_third_party_libjingle_source_talk,xin3liang/platform_external_chromium_org_third_party_libjingle_source_talk,android-ia/platform_external_chromium_org_third_party_libjingle_source_talk,AOSPU/external_chromium_org_third_party_libjingle_source_talk,Omegaphora/external_chromium_org_third_party_libjingle_source_talk,xin3liang/platform_external_chromium_org_third_party_libjingle_source_talk,AOSPU/external_chromium_org_third_party_libjingle_source_talk,android-ia/platform_external_chromium_org_third_party_libjingle_source_talk,android-ia/platform_external_chromium_org_third_party_libjingle_source_talk