MTP: Use ro.product.manufacturer system property value for MTP manufacturer name

Previously it was hard coded to "Google, Inc."

BUG: 3405965

Change-Id: I5f962d474814c22e990c39b501c0f01da9e8dc6d
Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/media/mtp/MtpServer.cpp b/media/mtp/MtpServer.cpp
index be004d2..853a5af 100644
--- a/media/mtp/MtpServer.cpp
+++ b/media/mtp/MtpServer.cpp
@@ -343,8 +343,9 @@
     mData.putAUInt16(deviceProperties); // Device Properties Supported
     mData.putAUInt16(captureFormats); // Capture Formats
     mData.putAUInt16(playbackFormats);  // Playback Formats
-    // FIXME
-    string.set("Google, Inc.");
+
+    property_get("ro.product.manufacturer", prop_value, "unknown manufacturer");
+    string.set(prop_value);
     mData.putString(string);   // Manufacturer
 
     property_get("ro.product.model", prop_value, "MTP Device");