Revert "Update includes for webrtc/{base => rtc_base} rename (2/3)"

This reverts commit c3771cc4d37f5573fe53b7c7cff295a4f0f9560f.
(breaks downstream internal project)

BUG=webrtc:7634
NOTRY=True
NOPRESUBMIT=True

Review-Url: https://codereview.webrtc.org/2972463002 .
Cr-Commit-Position: refs/heads/master@{#18873}
diff --git a/webrtc/pc/test/androidtestinitializer.cc b/webrtc/pc/test/androidtestinitializer.cc
index d1b0dab..f070104 100644
--- a/webrtc/pc/test/androidtestinitializer.cc
+++ b/webrtc/pc/test/androidtestinitializer.cc
@@ -12,7 +12,7 @@
 
 #include <pthread.h>
 
-#include "webrtc/rtc_base/ignore_wundef.h"
+#include "webrtc/base/ignore_wundef.h"
 
 // Note: this dependency is dangerous since it reaches into Chromium's base.
 // There's a risk of e.g. macro clashes. This file may only be used in tests.
@@ -22,9 +22,9 @@
 #include "base/android/jni_android.h"
 RTC_POP_IGNORING_WUNDEF()
 
+#include "webrtc/base/checks.h"
+#include "webrtc/base/ssladapter.h"
 #include "webrtc/modules/utility/include/jvm_android.h"
-#include "webrtc/rtc_base/checks.h"
-#include "webrtc/rtc_base/ssladapter.h"
 
 namespace webrtc {