Update import paths for changes to blueprint

Blueprint has been modified to include a canonical import path,
update soong to match.

Change-Id: If29d31afbf3bf2e6364961a66456fa5f8f738455
diff --git a/common/arch.go b/common/arch.go
index cb4e998..8cc3b10 100644
--- a/common/arch.go
+++ b/common/arch.go
@@ -15,8 +15,8 @@
 package common
 
 import (
-	"blueprint"
-	"blueprint/proptools"
+	"github.com/google/blueprint"
+	"github.com/google/blueprint/proptools"
 	"fmt"
 	"reflect"
 	"runtime"
diff --git a/common/checkbuild.go b/common/checkbuild.go
index a65ecc8..17ec37f 100644
--- a/common/checkbuild.go
+++ b/common/checkbuild.go
@@ -15,7 +15,7 @@
 package common
 
 import (
-	"blueprint"
+	"github.com/google/blueprint"
 )
 
 func CheckbuildSingleton() blueprint.Singleton {
diff --git a/common/defs.go b/common/defs.go
index 4499216..67b93ff 100644
--- a/common/defs.go
+++ b/common/defs.go
@@ -15,7 +15,7 @@
 package common
 
 import (
-	"blueprint"
+	"github.com/google/blueprint"
 )
 
 var (
diff --git a/common/glob.go b/common/glob.go
index 9aada95..5568cbc 100644
--- a/common/glob.go
+++ b/common/glob.go
@@ -18,8 +18,8 @@
 	"fmt"
 	"path/filepath"
 
-	"blueprint"
-	"blueprint/bootstrap"
+	"github.com/google/blueprint"
+	"github.com/google/blueprint/bootstrap"
 
 	"android/soong/glob"
 )
diff --git a/common/module.go b/common/module.go
index 9bdd7c1..6b2dfb4 100644
--- a/common/module.go
+++ b/common/module.go
@@ -15,7 +15,7 @@
 package common
 
 import (
-	"blueprint"
+	"github.com/google/blueprint"
 	"path/filepath"
 )
 
@@ -135,7 +135,7 @@
 //
 //     import (
 //         "android/soong/common"
-//         "blueprint"
+//         "github.com/google/blueprint"
 //     )
 //
 //     type myModule struct {
diff --git a/common/paths.go b/common/paths.go
index 91b8f99..bc75ea5 100644
--- a/common/paths.go
+++ b/common/paths.go
@@ -17,7 +17,7 @@
 import (
 	"path/filepath"
 
-	"blueprint"
+	"github.com/google/blueprint"
 )
 
 type Config interface {