manifest: Switch to our system/keymaster fork

Change-Id: Ic86879b9c0ed00bb7da269c0187d6cf7bf88ede3

default.xml

@@ -612,7 +612,7 @@
   <project path="system/hardware/interfaces" name="platform/system/hardware/interfaces" groups="pdk" remote="aosp" />
   <project path="system/hwservicemanager" name="platform/system/hwservicemanager" groups="pdk" remote="aosp" />
   <project path="system/iorap" name="platform/system/iorap" groups="pdk" remote="aosp" />
-  <project path="system/keymaster" name="platform/system/keymaster" groups="pdk" remote="aosp" />
+  <project path="system/keymaster" name="LineageOS/android_system_keymaster" groups="pdk" />
   <project path="system/libfmq" name="platform/system/libfmq" groups="pdk" remote="aosp" />
   <project path="system/libhidl" name="platform/system/libhidl" groups="pdk" remote="aosp" />
   <project path="system/libhwbinder" name="platform/system/libhwbinder" groups="pdk" remote="aosp" />