MTP: Skip runtime thumbnail generation for Android Host

Android Host is not capable to deal with the long processing time for
runtime thumbnail generation.
Skip runtime thumbnail generation for Android Host
but keep no impact to other Host

Bug: 188752500
Test: atest MtpTests
Test: atest MtpServerTest
Test: atest MtpServiceTests
Test: manual test on Windows 10 File Explorer
Test: manual test on Android Host Files App
Change-Id: I24ed3bb29c5a6912398a9e00e7748fd406cf6a64

1 files changed, 13 insertions, 0 deletions

diff --git a/media/java/android/mtp/MtpDevice.java b/media/java/android/mtp/MtpDevice.java
index e8b04edb2e1b..ec925918d4e6 100644
--- a/media/java/android/mtp/MtpDevice.java
+++ b/media/java/android/mtp/MtpDevice.java
@@ -170,6 +170,18 @@ public final class MtpDevice {
     }
 
     /**
+     * Set device property SESSION_INITIATOR_VERSION_INFO
+     *
+     * @param propertyStr string value for device property SESSION_INITIATOR_VERSION_INFO
+     * @return -1 for error, 0 for success
+     *
+     * {@hide}
+     */
+    public int setDevicePropertyInitVersion(@NonNull String propertyStr) {
+        return native_set_device_property_init_version(propertyStr);
+    }
+
+    /**
      * Returns the list of IDs for all storage units on this device
      * Information about each storage unit can be accessed via {@link #getStorageInfo}.
      *
@@ -421,6 +433,7 @@ public final class MtpDevice {
     private native boolean native_open(String deviceName, int fd);
     private native void native_close();
     private native MtpDeviceInfo native_get_device_info();
+    private native int native_set_device_property_init_version(String propertyStr);
     private native int[] native_get_storage_ids();
     private native MtpStorageInfo native_get_storage_info(int storageId);
     private native int[] native_get_object_handles(int storageId, int format, int objectHandle);