Update jgit to e2663a8b8
Update jgit to e2663a8b8

This JGit update is needed to fix git wire protocol v2 issue on JDK 15.

This update includes the following commits:

e2663a8b8 PacketLineIn: ensure that END != DELIM
ed9992896 Prepare 5.9.1-SNAPSHOT builds

Bug: Issue 13694
Change-Id: I9cbfc26731ac89f91f696936d3e566897cd3d558

GerritCodeReview/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit