manifest: track our own system/bt

Change-Id: Ib62beaa221d5cad93220ee778297f6f78e2d0fa2
diff --git a/default.xml b/default.xml
index cc52047..973609a 100644
--- a/default.xml
+++ b/default.xml
@@ -505,7 +505,7 @@
   <project path="prebuilts/sdk" name="platform/prebuilts/sdk" groups="pdk" clone-depth="1" remote="aosp" />
   <project path="prebuilts/tools" name="platform/prebuilts/tools" groups="pdk,tools" clone-depth="1" remote="aosp" />
   <project path="sdk" name="platform/sdk" groups="pdk-cw-fs,pdk-fs" remote="aosp" />
-  <project path="system/bt" name="platform/system/bt" groups="pdk" remote="aosp" />
+  <project path="system/bt" name="LineageOS/android_system_bt" groups="pdk" />
   <project path="system/ca-certificates" name="platform/system/ca-certificates" groups="pdk" remote="aosp" />
   <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" />