Add unittest for ParseProcInfo.

Driveby stylistic change to ParseProcInfo to a missing space. Without
the space, it does look suspiciously like it might parse incorrect, but
details of sscanf means it does not.

Change-Id: I994dbbc1c48a4210f9af0cff699716236e3ed8ca
diff --git a/Android.bp b/Android.bp
index ba600ad..0b61019 100644
--- a/Android.bp
+++ b/Android.bp
@@ -6255,6 +6255,7 @@
     "src/base/unix_socket_unittest.cc",
     "src/base/utils_unittest.cc",
     "src/base/uuid_unittest.cc",
+    "src/base/watchdog_posix_unittest.cc",
     "src/base/watchdog_unittest.cc",
     "src/base/weak_ptr_unittest.cc",
   ],