DO NOT MERGE Update version of sdk 20 samples to 2

To allow for a release of new API 20 samples.

Bug: 16158275

Change-Id: I459af267ec76271df10d93cf99439d40883d3a83
diff --git a/samples/samples_source.prop_template b/samples/samples_source.prop_template
index d3cdfd5..523d6bd 100644
--- a/samples/samples_source.prop_template
+++ b/samples/samples_source.prop_template
@@ -1,4 +1,4 @@
 Pkg.UserSrc=false
-Pkg.Revision=1
+Pkg.Revision=2
 AndroidVersion.ApiLevel=${PLATFORM_SDK_VERSION}
 AndroidVersion.CodeName=${PLATFORM_VERSION_CODENAME}