DO NOT MERGE. Remove jdiff git config as it was added in master only.
DO NOT MERGE. Remove jdiff git config as it was added in master only.

Test: Studio does not complain when opening support library project.
Change-Id: I61b06a62b093a87622c72bc5903862f29b5c7f9b
(cherry picked from commit f3bfca73d440d99c79b043ba66581c44d046c4dc)

aosp-mirror/platform_frameworks_support,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,aosp-mirror/platform_frameworks_support,aosp-mirror/platform_frameworks_support,aosp-mirror/platform_frameworks_support,aosp-mirror/platform_frameworks_support,AndroidX/androidx,androidx/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx