Map in protobuf

Also re-alphabetize external/ section of imports (boringssl to top)

Bug: 152900132
Change-Id: Ia4f98e64e9388ba09ffb80d411be98fab78cd78d
diff --git a/default.xml b/default.xml
index fa64323..64b9728 100644
--- a/default.xml
+++ b/default.xml
@@ -35,13 +35,14 @@
   <!-- END apps projects -->
 
   <!-- BEGIN platform projects -->
+  <project path="external/boringssl" name="platform/external/boringssl" groups="trusty" />
   <project path="external/freetype" name="platform/external/freetype" groups="trusty" />
   <project path="external/googletest" name="platform/external/googletest" groups="trusty" />
   <project path="external/libcppbor" name="platform/external/libcppbor" groups="trusty" />
   <project path="external/libcxx" name="platform/external/libcxx" groups="trusty" />
   <project path="external/libcxxabi" name="platform/external/libcxxabi" groups="trusty" />
   <project path="external/nanopb-c" name="platform/external/nanopb-c" groups="trusty" />
-  <project path="external/boringssl" name="platform/external/boringssl" groups="trusty" />
+  <project path="external/protobuf" name="platform/external/protobuf" groups="trusty" />
   <project path="hardware/libhardware" name="platform/hardware/libhardware" groups="trusty" />
   <project path="system/gatekeeper" name="platform/system/gatekeeper" groups="trusty" />
   <project path="system/iot/attestation" name="platform/system/iot/attestation" groups="trusty" />