android: remove chrome_public_test_apk from android-kitkat-arm-rel

KitKat CQ builder is short of test resources badly.
Removie this test suite from it to improve performance.

Bug: 1060245
Change-Id: I9b04d918bfdac894d813ba6f250c6acc9172fde2
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2095354
Commit-Queue: Haiyang Pan <hypan@google.com>
Reviewed-by: Ben Pastene <bpastene@chromium.org>
Reviewed-by: John Budorick <jbudorick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#748761}

testing/buildbot/chromium.android.json

@@ -27822,52 +27822,6 @@
         "test": "chrome_public_smoke_test",
         "test_target": "//chrome/android:chrome_public_smoke_test"
       },
-      {
-        "args": [
-          "--gs-results-bucket=chromium-result-details",
-          "--recover-devices"
-        ],
-        "merge": {
-          "args": [
-            "--bucket",
-            "chromium-result-details",
-            "--test-name",
-            "chrome_public_test_apk"
-          ],
-          "script": "//build/android/pylib/results/presentation/test_results_presentation.py"
-        },
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "cipd_packages": [
-            {
-              "cipd_package": "infra/tools/luci/logdog/butler/${platform}",
-              "location": "bin",
-              "revision": "git_revision:ff387eadf445b24c935f1cf7d6ddd279f8a6b04c"
-            }
-          ],
-          "dimension_sets": [
-            {
-              "device_os": "KTU84P",
-              "device_os_type": "userdebug",
-              "device_type": "hammerhead",
-              "os": "Android"
-            }
-          ],
-          "output_links": [
-            {
-              "link": [
-                "https://luci-logdog.appspot.com/v/?s",
-                "=android%2Fswarming%2Flogcats%2F",
-                "${TASK_ID}%2F%2B%2Funified_logcats"
-              ],
-              "name": "shard #${SHARD_INDEX} logcats"
-            }
-          ],
-          "shards": 20
-        },
-        "test": "chrome_public_test_apk",
-        "test_target": "//chrome/android:chrome_public_test_apk"
-      },
       {
         "args": [
           "--shared-prefs-file=//chrome/android/shared_preference_files/test/vr_cardboard_skipdon_setupcomplete.json",

testing/buildbot/test_suite_exceptions.pyl

@@ -603,6 +603,7 @@
     'remove_from': [
       'android-asan',  # https://crbug.com/964562
       'android-code-coverage-native', # https://crbug.com/1018780
+      'android-kitkat-arm-rel', # https://crbug.com/1060245
     ],
     'modifications': {
       'KitKat Phone Tester (dbg)': {