[WPA3] Rename allowedGroupMgmtCiphers to allowedGroupManagementCiphers

Following API Council review:
Rename allowedGroupMgmtCiphers to allowedGroupManagementCiphers in all instances
in order to be consistend with existing members.

Bug: 122616519
Test: atest com.android.server.wifi
Change-Id: I42496a0c9fa1034beffd9b05eeafd2f0a75eb1a8
2 files changed