[roll] Roll sdk-core packages to version:5.20210610.2.1

fuchsia/sdk/core/linux-amd64 old:https://chrome-infra-packages.appspot.com/p/fuchsia/sdk/core/linux-amd64/+/version:5.20210610.1.1 new:https://chrome-infra-packages.appspot.com/p/fuchsia/sdk/core/linux-amd64/+/version:5.20210610.2.1
fuchsia/sdk/core/mac-amd64 old:https://chrome-infra-packages.appspot.com/p/fuchsia/sdk/core/mac-amd64/+/version:5.20210610.1.1 new:https://chrome-infra-packages.appspot.com/p/fuchsia/sdk/core/mac-amd64/+/version:5.20210610.2.1

From: version:5.20210610.1.1
To: version:5.20210610.2.1
GitOrigin-RevId: 565e06f66b475e8cc887fe22aff0f386f6ff0479
Change-Id: Ia71666009f1704147bcf4744973f31ad0a937fd8
diff --git a/jiri.lock b/jiri.lock
index c55758b..ef5ecac 100644
--- a/jiri.lock
+++ b/jiri.lock
@@ -258,13 +258,13 @@
     },
     {
         "package": "fuchsia/sdk/core/linux-amd64",
-        "version": "version:5.20210610.1.1",
-        "instance_id": "0YKrstQ5NhwGNgGSsWefF_J9hlMlMeJcEXLnj2ck-UwC"
+        "version": "version:5.20210610.2.1",
+        "instance_id": "959BiddpgShA1DbO1-0RngKEmcUK8WcLfCYz4-6uuJgC"
     },
     {
         "package": "fuchsia/sdk/core/mac-amd64",
-        "version": "version:5.20210610.1.1",
-        "instance_id": "jNlbyBr6pSn19H4Sp2x66sM4Z1onHELBIv58-z_6crsC"
+        "version": "version:5.20210610.2.1",
+        "instance_id": "cWh2EoCbSYVn4bcV6OCchSd71iyjum9KQQEiNe7By-QC"
     },
     {
         "package": "fuchsia/starnix/android-root-amd64",
diff --git a/prebuilts b/prebuilts
index 64f1c64..9d19917 100644
--- a/prebuilts
+++ b/prebuilts
@@ -559,7 +559,7 @@
 
     <!-- Packages for SDK -->
     <package name="fuchsia/sdk/core/${platform}"
-             version="version:5.20210610.1.1"
+             version="version:5.20210610.2.1"
              platforms="linux-amd64,mac-amd64"
              path="prebuilt/sdk/core/{{.OS}}-{{.Arch}}"
              attributes="sdk"/>