manifest: Switch to our mksh fork

Change-Id: Id2018c6eb64c3f0f84ebd965c1247e95ec90e70e

default.xml

@@ -278,7 +278,7 @@
   <project path="external/mime-support" name="platform/external/mime-support" groups="pdk" remote="aosp" />
   <project path="external/minigbm" name="platform/external/minigbm" groups="pdk" remote="aosp" />
   <project path="external/minijail" name="platform/external/minijail" groups="pdk" remote="aosp" />
-  <project path="external/mksh" name="platform/external/mksh" groups="pdk" remote="aosp" />
+  <project path="external/mksh" name="LineageOS/android_external_mksh" groups="pdk" />
   <project path="external/mockftpserver" name="platform/external/mockftpserver" groups="pdk" remote="aosp" />
   <project path="external/mockito" name="platform/external/mockito" groups="pdk" remote="aosp" />
   <project path="external/mockwebserver" name="platform/external/mockwebserver" groups="pdk" remote="aosp" />