Fix method sinature of FuseAppLoop JNI code

The file size passed to replyLookup and replyGetAttr needed to be jlong,
but they were jint before the fix.

Bug: 63543158
Test: Transfer 4GB+ files through ProxyFileDescriptor

Change-Id: Idaf27538e067854a25ae413651d8f83f0df3f387
(cherry picked from commit d2229a65f53e7b9e9fc861ac300607a329153c4c)
1 file changed