Reland of Creating webrtc/modules:module_api

webrtc/modules/rtp_rtcp/BUILD.gn

Index: webrtc/modules/rtp_rtcp/BUILD.gn
diff --git a/webrtc/modules/rtp_rtcp/BUILD.gn b/webrtc/modules/rtp_rtcp/BUILD.gn
index a369218a6884fadac4d33e70c9b6049c679aff19..5d754d9974b7ce3a1116090518be36dd7366c1da 100644
--- a/webrtc/modules/rtp_rtcp/BUILD.gn
+++ b/webrtc/modules/rtp_rtcp/BUILD.gn
@@ -166,6 +166,7 @@ rtc_static_library("rtp_rtcp") {
   }
 
   deps = [
+    "..:module_api",
     "../..:webrtc_common",
     "../../api:libjingle_peerconnection_api",
     "../../api:transport_api",
@@ -200,6 +201,7 @@ rtc_source_set("fec_test_helper") {
   ]
   deps = [
     ":rtp_rtcp",
+    "..:module_api",
     "../../base:rtc_base_approved",
   ]
 
@@ -257,6 +259,7 @@ if (rtc_include_tests) {
     ]
     deps = [
       ":rtp_rtcp",
+      "..:module_api",
       "../../base:rtc_base_approved",
       "../../test:test_support",
     ]
@@ -336,6 +339,7 @@ if (rtc_include_tests) {
       ":fec_test_helper",
       ":mock_rtp_rtcp",
       ":rtp_rtcp",
+      "..:module_api",
       "../..:webrtc_common",
       "../../api:transport_api",
       "../../base:rtc_base_approved",