CDD: Correction to build parameters BASE_OS & SECURITY_PATCH.

Corrected, BASE_OS and SECURITY_PATCH are part of Build.VERSION
instead of the Build class.

Change-Id: I7d69dbdfab343cfbf65c7ad676f24e4eea9a98f3
BUG: 186475665
diff --git a/3_software/3_2_soft-api-compatibility.md b/3_software/3_2_soft-api-compatibility.md
index 39a7937..3499db6 100644
--- a/3_software/3_2_soft-api-compatibility.md
+++ b/3_software/3_2_soft-api-compatibility.md
@@ -200,7 +200,7 @@
     except that it MUST NOT be null or the empty string ("").</td>
  </tr>
  <tr>
-    <td>SECURITY_PATCH</td>
+    <td>VERSION.SECURITY_PATCH</td>
     <td>A value indicating the security patch level of a build. It MUST signify
     that the build is not in any way vulnerable to any of the issues described
     up through the designated Android Public Security Bulletin. It MUST be in
@@ -210,7 +210,7 @@
     Android Security Advisory</a>, for example "2015-11-01".</td>
  </tr>
  <tr>
-    <td>BASE_OS</td>
+    <td>VERSION.BASE_OS</td>
     <td>A value representing the FINGERPRINT parameter of the build that is
     otherwise identical to this build except for the patches provided in the
     Android Public Security Bulletin. It MUST report the correct value and if