ANDROID: GKI: Add API usb_ep_autoconfig_by_name

Also resolves ABI diff for struct usb_ep.

Test: make
Bug: 151977927
Signed-off-by: Mayank Rana <mrana@codeaurora.org>
Signed-off-by: Jack Pham <jackp@codeaurora.org>
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
Change-Id: I808d04f8a9dc6e4eac70cbb5a8c8a304e18531b1
(cherry picked from commit 62523500)
[hridya: commit amended to only include ABI diff
EXPORT_SYMBOL -> EXPORT_SYMBOL_GPL]
Signed-off-by: Hridya Valsaraju <hridya@google.com>