DO NOT MERGE ANYWHERE. Update repo to 26 and build number to 23.2.0 to prepare for release.
DO NOT MERGE ANYWHERE. Update repo to 26 and build number to 23.2.0 to
prepare for release.

Change-Id: If4943f1436c197ef5b3141107f4fb062cd2e6f66

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