Pin manifest of nougat-cts-release

Change-Id: I2736024ff7541d280751897270f4d1705f7eae6f
diff --git a/default.xml b/default.xml
index 6e73045..4009f4a 100644
--- a/default.xml
+++ b/default.xml
@@ -4,7 +4,7 @@
   <remote fetch=".." name="aosp" review="https://android-review.googlesource.com/" />
   <default remote="aosp" revision="nougat-cts-release" sync-j="4" />
 
-  <project groups="pdk,tradefed" name="platform/build" path="build" revision="17f6516ef740a069f146df777f6325ab737e6cf5">
+  <project groups="pdk,tradefed" name="platform/build" path="build" revision="9681de48fe07246b6978ab347ac24e2aa813e080">
     <copyfile dest="Makefile" src="core/root.mk" />
   </project>
   <project groups="pdk,tradefed" name="platform/build/blueprint" path="build/blueprint" revision="41a4f8811495a0a3e260ac7342cf255c33c2005b" />
@@ -17,7 +17,7 @@
   <project groups="pdk" name="platform/art" path="art" revision="c20d3892eb82f6c8e4267abd2117adacaa6c563c" />
   <project groups="pdk" name="platform/bionic" path="bionic" revision="3593c2fa6236f6cb179b4b2063791400a98483cc" />
   <project groups="pdk" name="platform/bootable/recovery" path="bootable/recovery" revision="461ed46ccf68c0f52992667c26a1410c1762f94b" />
-  <project groups="cts,pdk-cw-fs,pdk-fs" name="platform/cts" path="cts" revision="dedbd7946e9001a87a3f35cc07e69c1ea28a3110" />
+  <project groups="cts,pdk-cw-fs,pdk-fs" name="platform/cts" path="cts" revision="f18e21d931743aeff24226c242ef651a380f0c1e" />
   <project groups="pdk-cw-fs,pdk-fs" name="platform/dalvik" path="dalvik" revision="f55e5e474bc0e7fd4b27571ffcd09811e8836fa6" />
   <project name="platform/developers/build" path="developers/build" revision="8ef75db005ad4c69bfb25a6510873181c06980a3" />
   <project name="platform/developers/demos" path="developers/demos" revision="95d49d216223e3431647abd79f5e376958353c95" />