Fixing a bug related to RCU in NetEQ
Fixing a bug related to RCU in NetEQ

RCU was disabled due to that the RCU flag was overwritten with zero
in the packet buffer.

BUG=1156
TEST=trybots, neteq_unittests, audio_coding_module_test, audio_coding_unittests

Review URL: https://webrtc-codereview.appspot.com/969012

git-svn-id: 03ae4fbe531b1eefc9d815f31e49022782c42458@3193 4adac7df-926f-26a2-2b94-8c16560cd09d

xhook/webrtc,AOSPU/external_chromium_org_third_party_webrtc,krieger-od/nwjs_chromium_webrtc,lukeweber/webrtc-src-override,unisontech/webrtc-core,Omegaphora/external_chromium_org_third_party_webrtc,krieger-od/webrtc,svn2github/webrtc-Revision-8758,svn2github/webrtc-Revision-8758,krieger-od/webrtc,lukeweber/webrtc-src-override,bpsinc-native/src_third_party_webrtc,xhook/webrtc,AOSPU/external_chromium_org_third_party_webrtc,jgcaaprom/android_external_chromium_org_third_party_webrtc,xin3liang/platform_external_chromium_org_third_party_webrtc,aleonliao/webrtc-trunk,jchavanton/webrtc,krieger-od/webrtc,AOSPU/external_chromium_org_third_party_webrtc,aleonliao/webrtc-trunk,CyanogenMod/android_external_chromium_org_third_party_webrtc,SlimXperiments/external_chromium_org_third_party_webrtc,MIPS/external-chromium_org-third_party-webrtc,android-ia/platform_external_chromium_org_third_party_webrtc,Alkalyne/webrtctrunk,xhook/webrtc,Alkalyne/webrtctrunk,xhook/webrtc,PersonifyInc/chromium_webrtc,MIPS/external-chromium_org-third_party-webrtc,geekboxzone/lollipop_external_chromium_org_third_party_webrtc,Omegaphora/external_chromium_org_third_party_webrtc,geekboxzone/lollipop_external_chromium_org_third_party_webrtc,xin3liang/platform_external_chromium_org_third_party_webrtc,CyanogenMod/android_external_chromium_org_third_party_webrtc,geekboxzone/lollipop_external_chromium_org_third_party_webrtc,CyanogenMod/android_external_chromium_org_third_party_webrtc,unisontech/webrtc-core,unisontech/webrtc-core,sippet/webrtc,jgcaaprom/android_external_chromium_org_third_party_webrtc,MIPS/external-chromium_org-third_party-webrtc,geekboxzone/lollipop_external_chromium_org_third_party_webrtc,CyanogenMod/android_external_chromium_org_third_party_webrtc,jgcaaprom/android_external_chromium_org_third_party_webrtc,SlimXperiments/external_chromium_org_third_party_webrtc,svn2github/webrtc-Revision-8758,bpsinc-native/src_third_party_webrtc,jchavanton/webrtc,krieger-od/nwjs_chromium_webrtc,Alkalyne/webrtctrunk,lukeweber/webrtc-src-override,unisontech/webrtc-core,MIPS/external-chromium_org-third_party-webrtc,lukeweber/webrtc-src-override,jchavanton/webrtc,SlimXperiments/external_chromium_org_third_party_webrtc,android-ia/platform_external_chromium_org_third_party_webrtc,xin3liang/platform_external_chromium_org_third_party_webrtc,android-ia/platform_external_chromium_org_third_party_webrtc,PersonifyInc/chromium_webrtc,jgcaaprom/android_external_chromium_org_third_party_webrtc,jgcaaprom/android_external_chromium_org_third_party_webrtc,SlimXperiments/external_chromium_org_third_party_webrtc,PersonifyInc/chromium_webrtc,Alkalyne/webrtctrunk,unisontech/webrtc-core,krieger-od/webrtc,svn2github/webrtc-Revision-8758,Alkalyne/webrtctrunk,sippet/webrtc,unisontech/webrtc-core,sippet/webrtc,xin3liang/platform_external_chromium_org_third_party_webrtc,android-ia/platform_external_chromium_org_third_party_webrtc,geekboxzone/lollipop_external_chromium_org_third_party_webrtc,Omegaphora/external_chromium_org_third_party_webrtc,jgcaaprom/android_external_chromium_org_third_party_webrtc,android-ia/platform_external_chromium_org_third_party_webrtc,jchavanton/webrtc,SlimXperiments/external_chromium_org_third_party_webrtc,CyanogenMod/android_external_chromium_org_third_party_webrtc,Omegaphora/external_chromium_org_third_party_webrtc,Omegaphora/external_chromium_org_third_party_webrtc,SlimXperiments/external_chromium_org_third_party_webrtc,jchavanton/webrtc,xin3liang/platform_external_chromium_org_third_party_webrtc,jgcaaprom/android_external_chromium_org_third_party_webrtc,AOSPU/external_chromium_org_third_party_webrtc,xhook/webrtc,Alkalyne/webrtctrunk,bpsinc-native/src_third_party_webrtc,CyanogenMod/android_external_chromium_org_third_party_webrtc,android-ia/platform_external_chromium_org_third_party_webrtc,jchavanton/webrtc,bpsinc-native/src_third_party_webrtc,bpsinc-native/src_third_party_webrtc,android-ia/platform_external_chromium_org_third_party_webrtc,PersonifyInc/chromium_webrtc,aleonliao/webrtc-trunk,Omegaphora/external_chromium_org_third_party_webrtc,MIPS/external-chromium_org-third_party-webrtc,xin3liang/platform_external_chromium_org_third_party_webrtc,aleonliao/webrtc-trunk,geekboxzone/lollipop_external_chromium_org_third_party_webrtc,lukeweber/webrtc-src-override,krieger-od/nwjs_chromium_webrtc,xhook/webrtc,AOSPU/external_chromium_org_third_party_webrtc,aleonliao/webrtc-trunk,bpsinc-native/src_third_party_webrtc,MIPS/external-chromium_org-third_party-webrtc,krieger-od/nwjs_chromium_webrtc,geekboxzone/lollipop_external_chromium_org_third_party_webrtc,jgcaaprom/android_external_chromium_org_third_party_webrtc,lukeweber/webrtc-src-override,krieger-od/webrtc,PersonifyInc/chromium_webrtc,AOSPU/external_chromium_org_third_party_webrtc,svn2github/webrtc-Revision-8758,Omegaphora/external_chromium_org_third_party_webrtc,geekboxzone/lollipop_external_chromium_org_third_party_webrtc,PersonifyInc/chromium_webrtc,xin3liang/platform_external_chromium_org_third_party_webrtc,MIPS/external-chromium_org-third_party-webrtc,AOSPU/external_chromium_org_third_party_webrtc,MIPS/external-chromium_org-third_party-webrtc,SlimXperiments/external_chromium_org_third_party_webrtc,sippet/webrtc,android-ia/platform_external_chromium_org_third_party_webrtc,Omegaphora/external_chromium_org_third_party_webrtc,krieger-od/webrtc,CyanogenMod/android_external_chromium_org_third_party_webrtc,sippet/webrtc,krieger-od/nwjs_chromium_webrtc,bpsinc-native/src_third_party_webrtc,aleonliao/webrtc-trunk,Alkalyne/webrtctrunk,lukeweber/webrtc-src-override,Alkalyne/webrtctrunk,bpsinc-native/src_third_party_webrtc,sippet/webrtc,svn2github/webrtc-Revision-8758,krieger-od/nwjs_chromium_webrtc,jchavanton/webrtc