Install seccomp into zygote not init

Bug: 34710876
Test: Boots, correct size filter installed, blocks unallowed calls

Change-Id: I3e66e8724ace37f7d30451b98a5e574766252ea0
diff --git a/core/jni/AndroidRuntime.cpp b/core/jni/AndroidRuntime.cpp
index 07392c4..3580812 100644
--- a/core/jni/AndroidRuntime.cpp
+++ b/core/jni/AndroidRuntime.cpp
@@ -163,6 +163,7 @@
 extern int register_android_os_MessageQueue(JNIEnv* env);
 extern int register_android_os_Parcel(JNIEnv* env);
 extern int register_android_os_SELinux(JNIEnv* env);
+extern int register_android_os_seccomp(JNIEnv* env);
 extern int register_android_os_SystemProperties(JNIEnv *env);
 extern int register_android_os_SystemClock(JNIEnv* env);
 extern int register_android_os_Trace(JNIEnv* env);
@@ -1366,6 +1367,7 @@
     REG_JNI(register_android_os_FileObserver),
     REG_JNI(register_android_os_MessageQueue),
     REG_JNI(register_android_os_SELinux),
+    REG_JNI(register_android_os_seccomp),
     REG_JNI(register_android_os_Trace),
     REG_JNI(register_android_os_UEventObserver),
     REG_JNI(register_android_net_LocalSocketImpl),