Revert of [Sync] Merge sync_unit_tests into components_unit_tests.

testing/buildbot/chromium.android.json

Index: testing/buildbot/chromium.android.json
diff --git a/testing/buildbot/chromium.android.json b/testing/buildbot/chromium.android.json
index 1e9e20216c9cca3bae35893bc36e96d854a4cfb0..d70e33cb6575015b38035438bb02b5f8b80f6d3f 100644
--- a/testing/buildbot/chromium.android.json
+++ b/testing/buildbot/chromium.android.json
@@ -470,6 +470,19 @@
         "test": "sql_unittests"
       },
       {
+        "override_isolate_target": "sync_unit_tests",
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "dimension_sets": [
+            {
+              "device_os": "MMB29Q",
+              "device_type": "bullhead"
+            }
+          ]
+        },
+        "test": "sync_unit_tests"
+      },
+      {
         "override_isolate_target": "ui_android_unittests",
         "swarming": {
           "can_use_on_swarming_builders": true,
@@ -1008,6 +1021,19 @@
         "test": "sql_unittests"
       },
       {
+        "override_isolate_target": "sync_unit_tests",
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "dimension_sets": [
+            {
+              "device_os": "KTU84P",
+              "device_type": "hammerhead"
+            }
+          ]
+        },
+        "test": "sync_unit_tests"
+      },
+      {
         "override_isolate_target": "ui_android_unittests",
         "swarming": {
           "can_use_on_swarming_builders": true,
@@ -1157,6 +1183,9 @@
         "test": "sql_unittests"
       },
       {
+        "test": "sync_unit_tests"
+      },
+      {
         "test": "ui_android_unittests"
       },
       {
@@ -1261,6 +1290,9 @@
         "test": "sql_unittests"
       },
       {
+        "test": "sync_unit_tests"
+      },
+      {
         "test": "ui_android_unittests"
       },
       {
@@ -1368,6 +1400,9 @@
         "test": "sql_unittests"
       },
       {
+        "test": "sync_unit_tests"
+      },
+      {
         "test": "ui_android_unittests"
       },
       {
@@ -1481,6 +1516,9 @@
       },
       {
         "test": "sql_unittests"
+      },
+      {
+        "test": "sync_unit_tests"
       },
       {
         "test": "ui_android_unittests"
@@ -1593,6 +1631,9 @@
         "test": "sql_unittests"
       },
       {
+        "test": "sync_unit_tests"
+      },
+      {
         "test": "ui_android_unittests"
       },
       {
@@ -1700,6 +1741,9 @@
         "test": "sql_unittests"
       },
       {
+        "test": "sync_unit_tests"
+      },
+      {
         "test": "ui_android_unittests"
       },
       {
@@ -1813,6 +1857,9 @@
         "test": "sql_unittests"
       },
       {
+        "test": "sync_unit_tests"
+      },
+      {
         "test": "ui_android_unittests"
       },
       {
@@ -1920,6 +1967,9 @@
         "test": "sql_unittests"
       },
       {
+        "test": "sync_unit_tests"
+      },
+      {
         "test": "ui_android_unittests"
       },
       {