Revert "manifest: Add system/nfc and remove external/libnfc-nci"

This reverts commit 8c4d1e3072.
Change-Id: I13cc7176838ab050ac19c389f37e416306a2689a

default.xml

@@ -203,6 +203,7 @@
   <project path="external/libmojo" name="platform/external/libmojo" groups="pdk" />
   <project path="external/libmpeg2" name="platform/external/libmpeg2" groups="pdk" />
   <project path="external/libmtp" name="platform/external/libmtp" groups="pdk" />
+  <project path="external/libnfc-nci" name="platform/external/libnfc-nci" groups="pdk" />
   <project path="external/libnl" name="platform/external/libnl" groups="pdk" />
   <project path="external/libogg" name="platform/external/libogg" groups="pdk" />
   <project path="external/libopus" name="platform/external/libopus" groups="pdk" />
@@ -518,7 +519,6 @@
   <project path="system/media" name="platform/system/media" groups="pdk" />
   <project path="system/nativepower" name="platform/system/nativepower" />
   <project path="system/netd" name="platform/system/netd" groups="pdk" />
-  <project path="system/nfc" name="platform/system/nfc" groups="pdk" />
   <project path="system/nvram" name="platform/system/nvram" />
   <project path="system/security" name="platform/system/security" groups="pdk" />
   <project path="system/sepolicy" name="platform/system/sepolicy" groups="pdk" />