manifest: Switch to our system/core

Change-Id: I4e55bd0e4da0ab01dcc3f04757201f63445b522e
diff --git a/default.xml b/default.xml
index 09648aa..454b2ff 100644
--- a/default.xml
+++ b/default.xml
@@ -596,7 +596,7 @@
   <project path="system/chre" name="platform/system/chre" groups="pdk" remote="aosp" />
   <project path="system/connectivity/wificond" name="platform/system/connectivity/wificond" groups="pdk" remote="aosp" />
   <project path="system/connectivity/wifilogd" name="platform/system/connectivity/wifilogd" groups="pdk" remote="aosp" />
-  <project path="system/core" name="platform/system/core" groups="pdk" remote="aosp" />
+  <project path="system/core" name="LineageOS/android_system_core" groups="pdk" />
   <project path="system/extras" name="LineageOS/android_system_extras" groups="pdk" />
   <project path="system/gatekeeper" name="platform/system/gatekeeper" groups="pdk" remote="aosp" />
   <project path="system/hardware/interfaces" name="platform/system/hardware/interfaces" groups="pdk" remote="aosp" />