Added new L2_TABLE_TYPE with needed qualifiers and actions Support for L2 match qualifiers like VLAN_ID, VLAN_PCP, VLAN_DEI SRC_MAC and DST_MAC

What I did
Added support for L2_TABLE_TYPE in orchagent.

Related pull requests
sonic-net/sonic-utilities#2516
sonic-net/sonic-mgmt-common#66

Why I did it
ACL supports only L3 and L3V6 table type. There is no support for matching L2 fields in orchagent.
When user wants to match fields like SRC_MAC, DST_MAC, VLAN_ID, VLAN_PCP, VLAN_DEI we do not have support for these fields in orchagent.
Even, if we use TABLE_TYPE still we need to define and support the L2 match qualifiers. So, instead I have provided the complete support from CLICK.

How I verified it

1. Create L2 Table from CLICK
   "config acl add table -s ingress -p <table_name> L2"
2. Add rules using CONFIG_DB format
   • add rules src mac, dst mac, ether type, pcp, dei & vlan id
     "L2_TABLE|RULE_2": {
     "SRC_MAC": "00:00:00:11:11:11/00:00:00:ff:ff:ff",
     "DST_MAC": "00:00:00:22:22:22/00:00:00:ff:ff:ff",
     "ETHER_TYPE": "0x0800",
     "VLAN_ID": "100",
     "VLAN_PCP": "5/7",
     "VLAN_DEI": "1",
     "PRIORITY": "5",
     "PACKET_ACTION": "DROP"
     }
3. Validate commands "show acl table"
4. Validate commands and fields in "show acl rule"
5. Validate commands "aclshow -a" /* Ensured that the counters are hitting the relevant rule */
6. Add rules using openconfig json format for supported fields "config acl update full/incremental <file.json>"
   "source-mac": "00:00:00:11:11:12",
   "source-mac-mask": "00:00:00:ff:ff:ff",
   "destination-mac": "00:00:00:11:11:13",
   "destination-mac-mask": "00:00:00:ff:ff:ff",
   "ethertype": "ETHERTYPE_ARP"

All the rules are added for each field and combinations as well. and each field tested with traffic in Broadcom based platform.

Details if related

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