pigweed.json: Add config for Bazel builders

Bug: b/275107504
Change-Id: Ic44867f3814f0a3e7909f301673ddae4df4f7f73
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/213991
Reviewed-by: Ted Pudlik <tpudlik@google.com>
Pigweed-Auto-Submit: Rob Mohr <mohrr@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed-service-accounts.iam.gserviceaccount.com>
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>

pigweed.json

@@ -127,6 +127,22 @@
         "pw_emu/qemu-netduinoplus2.json",
         "pw_emu/renode-stm32f4_discovery.json"
       ]
+    },
+    "bazel_presubmit": {
+      "remote_cache": true,
+      "upload_local_results": true,
+      "programs": {
+        "default": [
+          [
+            "build",
+            "//..."
+          ],
+          [
+            "test",
+            "//..."
+          ]
+        ]
+      }
     }
   }
 }