Manifest for Android 6.0.1 release 22

Change-Id: I43b5f8ad3e65143216c093c3aeda1545c1ea3051
diff --git a/default.xml b/default.xml
index 6609514..3cf84db 100644
--- a/default.xml
+++ b/default.xml
@@ -3,7 +3,7 @@
 
   <remote  name="aosp"
            fetch=".." />
-  <default revision="refs/tags/android-6.0.1_r17"
+  <default revision="refs/tags/android-6.0.1_r22"
            remote="aosp"
            sync-j="4" />
 
@@ -362,7 +362,6 @@
   <project path="packages/apps/Dialer" name="platform/packages/apps/Dialer" groups="pdk-fs" />
   <project path="packages/apps/Email" name="platform/packages/apps/Email" groups="pdk-fs" />
   <project path="packages/apps/ExactCalculator" name="platform/packages/apps/ExactCalculator" groups="pdk-fs" />
-  <project path="packages/apps/Exchange" name="platform/packages/apps/Exchange" groups="pdk-fs" />
   <project path="packages/apps/FMRadio" name="platform/packages/apps/FMRadio" groups="pdk-fs" />
   <project path="packages/apps/Gallery" name="platform/packages/apps/Gallery" groups="pdk-fs" />
   <project path="packages/apps/Gallery2" name="platform/packages/apps/Gallery2" groups="pdk-fs" />