typing_extensions: use newest version am: 575ad2e038

Original change: https://android-review.googlesource.com/c/platform/external/python/typing/+/3162578

Change-Id: I4a0f06f3e8556d5ee2366ece6cd0e3c1330d7faa
Signed-off-by: Automerger Merge Worker <[email protected]>