Fixes typos in device_host_converter.go comments.

Test: TreeHugger
Change-Id: Ie786e8fc950c3e9913c9d51f2b88bc036bb17462
diff --git a/java/device_host_converter.go b/java/device_host_converter.go
index b92f4d7..2ae0f0f 100644
--- a/java/device_host_converter.go
+++ b/java/device_host_converter.go
@@ -53,7 +53,7 @@
 // java_device_for_host makes the classes.jar output of a device java_library module available to host
 // java_library modules.
 //
-// It is rarely necessary, and its used is restricted to a few whitelisted projects.
+// It is rarely necessary, and its usage is restricted to a few whitelisted projects.
 func DeviceForHostFactory() android.Module {
 	module := &DeviceForHost{}
 
@@ -70,7 +70,7 @@
 // java_host_for_device makes the classes.jar output of a host java_library module available to device
 // java_library modules.
 //
-// It is rarely necessary, and its used is restricted to a few whitelisted projects.
+// It is rarely necessary, and its usage is restricted to a few whitelisted projects.
 func HostForDeviceFactory() android.Module {
 	module := &HostForDevice{}