Remove DatagramSocket calls from IpSecManagerTest

Because the DatagramSocket version of the API is being
hidden, this test is being converted to use the
FileDescriptor version of applyTransportModeTransform()
and removeTransportModeTransform()

Bug: 37446006
Test: compilation
Merged-In: Ida4977a6e7496ce6b4de38bfd48bd6a162cab874
Change-Id: Ida4977a6e7496ce6b4de38bfd48bd6a162cab874
(cherry picked from commit 8e0db4ceaa9b2940942132e452d44cd59ff971e2)
1 file changed
tree: 11123cf8ad96860e5a2d2062b28bfee467429067
  1. tests/