Fix Java tests

lib/ui/window/key_data.h

@@ -39,10 +39,10 @@ enum class KeyEventDeviceType : int64_t {
   // control or similar.
   kDirectionalPad,
 
-  // The source is a gamepad button
+  // The source is a gamepad button.
   kGamepad,
 
-  // The source is a joystick button
+  // The source is a joystick button.
   kJoystick,
 
   // The source is a device connected to an HDMI bus.

shell/platform/android/test/io/flutter/embedding/android/KeyboardManagerTest.java

@@ -462,7 +462,7 @@ public void serializeAndDeserializeKeyData() {
             + "41",
         printBufferBytes(data1Buffer));
     // `position` is considered as the message size.
-    assertEquals(49, data1Buffer.position());
+    assertEquals(57, data1Buffer.position());
 
     data1Buffer.rewind();
     final KeyData data1Loaded = new KeyData(data1Buffer);
@@ -476,7 +476,7 @@ public void serializeAndDeserializeKeyData() {
     data2.type = Type.kUp;
     data2.character = null;
     data2.synthesized = false;
-    data1.deviceType = DeviceType.kDirectionalPad;
+    data2.deviceType = DeviceType.kDirectionalPad;
 
     final ByteBuffer data2Buffer = data2.toBytes();