Updated buffer profile settings for TD3 based HWSKUs (Arista-7050CX3-32S-C32, Arista-7050CX3-32S-D48C8) (#11202)

* Updated buffer profile settings for TD3 based HWSKUs (Arista-7050CX3-32S-C32, Arista-7050CX3-32S-D48C8)

Author: vmittal-msft

device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-C32/buffers_defaults_t0.j2

@@ -30,7 +30,7 @@
         "ingress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"3"
+            "static_th":"32732160"
         },
         "egress_lossless_profile": {
             "pool":"egress_lossless_pool",
@@ -40,7 +40,7 @@
         "egress_lossy_profile": {
             "pool":"egress_lossy_pool",
             "size":"1792",
-            "dynamic_th":"-1"
+            "dynamic_th":"3"
         }
     },
 {%- endmacro %}

device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-C32/buffers_defaults_t1.j2

@@ -30,7 +30,7 @@
         "ingress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"3"
+            "static_th":"32712448"
         },
         "egress_lossless_profile": {
             "pool":"egress_lossless_pool",
@@ -40,7 +40,7 @@
         "egress_lossy_profile": {
             "pool":"egress_lossy_pool",
             "size":"1792",
-            "dynamic_th":"-1"
+            "dynamic_th":"3"
         }
     },
 {%- endmacro %}

device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-C32/pg_profile_lookup.ini

@@ -1,8 +1,8 @@
 # PG lossless profiles.
 # speed cable size    xon  xoff threshold xon_offset
-  50000  5m   4608    4608 33792   -3        4608
- 100000  5m   4608    4608 49408   -3        4608
-  50000  40m  4608    4608 36352   -3        4608
- 100000  40m  4608    4608 54528   -3        4608
-  50000  300m 4608    4608 55296   -3        4608
- 100000  300m 4608    4608 92672   -3        4608
+  50000  5m   4608    4608 33792   0        4608
+ 100000  5m   4608    4608 49408   0        4608
+  50000  40m  4608    4608 36352   0        4608
+ 100000  40m  4608    4608 54528   0        4608
+  50000  300m 4608    4608 55296   0        4608
+ 100000  300m 4608    4608 92672   0        4608

device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/buffers_defaults_t0.j2

@@ -31,7 +31,7 @@
         "ingress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"3"
+            "static_th":"32689152"
         },
         "egress_lossless_profile": {
             "pool":"egress_lossless_pool",
@@ -41,7 +41,7 @@
         "egress_lossy_profile": {
             "pool":"egress_lossy_pool",
             "size":"1792",
-            "dynamic_th":"-1"
+            "dynamic_th":"3"
         }
     },
 {%- endmacro %}

device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/pg_profile_lookup.ini

@@ -1,8 +1,8 @@
 # PG lossless profiles.
 # speed cable size    xon  xoff threshold xon_offset
-  50000  5m   4608    4608 79872   -3        4608
- 100000  5m   4608    4608 54528   -3        4608
-  50000  40m  4608    4608 39936   -3        4608
- 100000  40m  4608    4608 60416   -3        4608
-  50000  300m 4608    4608 61440   -3        4608
- 100000  300m 4608    4608 103680  -3        4608
+  50000  5m   4608    4608 79872   0        4608
+ 100000  5m   4608    4608 54528   0        4608
+  50000  40m  4608    4608 39936   0        4608
+ 100000  40m  4608    4608 60416   0        4608
+  50000  300m 4608    4608 61440   0        4608
+ 100000  300m 4608    4608 103680  0        4608

src/sonic-config-engine/tests/sample_output/py3/buffer-arista7050cx3-dualtor-remap-disabled.json

@@ -82,7 +82,7 @@
         "ingress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"3"
+            "static_th":"32689152"
         },
         "egress_lossless_profile": {
             "pool":"egress_lossless_pool",
@@ -92,7 +92,7 @@
         "egress_lossy_profile": {
             "pool":"egress_lossy_pool",
             "size":"1792",
-            "dynamic_th":"-1"
+            "dynamic_th":"3"
         }
     },
     "BUFFER_PG": {

src/sonic-config-engine/tests/sample_output/py3/buffer-arista7050cx3-dualtor.json

@@ -82,7 +82,7 @@
         "ingress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"3"
+            "static_th":"32689152"
         },
         "egress_lossless_profile": {
             "pool":"egress_lossless_pool",
@@ -92,7 +92,7 @@
         "egress_lossy_profile": {
             "pool":"egress_lossy_pool",
             "size":"1792",
-            "dynamic_th":"-1"
+            "dynamic_th":"3"
         }
     },
     "BUFFER_PG": {