Update platform SDK component to revision 5. [DO NOT MERGE]

Also update LayoutLib Api version.

Change-Id: Ifa357a964b8ed7c4f84c2162ddfb074e262ca69f
diff --git a/sdk/platform_source.prop_template b/sdk/platform_source.prop_template
index 1fa9060..88c59ee 100644
--- a/sdk/platform_source.prop_template
+++ b/sdk/platform_source.prop_template
@@ -2,9 +2,9 @@
 Pkg.UserSrc=false
 Platform.Version=${PLATFORM_VERSION}
 Platform.CodeName=Jelly Bean
-Pkg.Revision=4
+Pkg.Revision=5
 AndroidVersion.ApiLevel=${PLATFORM_SDK_VERSION}
 AndroidVersion.CodeName=${PLATFORM_VERSION_CODENAME}
-Layoutlib.Api=9
+Layoutlib.Api=12
 Layoutlib.Revision=1
 Platform.MinToolsRev=21