This change updates the getSocket calls to getFileDescriptor, persuant to new API. Bug: 72473753 Test: CTS tests run on walleye Merged-In: I65479cb35c88aee1f65c8597c3382cd30fa8d4a9 Change-Id: I65479cb35c88aee1f65c8597c3382cd30fa8d4a9 (cherry picked from commit 94d33818769cf60b9801b39875f5bc5dff2dc734)