mojom: Remove braces from module statements and make them come first.

mojo/public/interfaces/bindings/tests/math_calculator.mojom

Index: mojo/public/interfaces/bindings/tests/math_calculator.mojom
diff --git a/mojo/public/interfaces/bindings/tests/math_calculator.mojom b/mojo/public/interfaces/bindings/tests/math_calculator.mojom
index a18add1b992a5a0c57cd0f7e4c9e2b3652130312..f99bb07e1203e6e5b92225b254dddfa53c992f55 100644
--- a/mojo/public/interfaces/bindings/tests/math_calculator.mojom
+++ b/mojo/public/interfaces/bindings/tests/math_calculator.mojom
@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 [JavaPackage="org.chromium.mojo.bindings.test.mojom.math"]
-module math {
+module math;
 
 [Client=CalculatorUI]
 interface Calculator {
@@ -15,5 +15,3 @@ interface Calculator {
 interface CalculatorUI {
   Output@0(double value@0);
 };
-
-}