[android] Remove newly vestigial uses of override_{compile,isolate}_target{,s}

testing/buildbot/chromium.swarm.json

Index: testing/buildbot/chromium.swarm.json
diff --git a/testing/buildbot/chromium.swarm.json b/testing/buildbot/chromium.swarm.json
index 0aa5581e845466fc4a20634fd0ccd4e4da8921f6..0ad766950cb11f1b977ac8d142d6fd3486fb8b69 100644
--- a/testing/buildbot/chromium.swarm.json
+++ b/testing/buildbot/chromium.swarm.json
@@ -2,7 +2,6 @@
   "Android N5 Swarm": {
     "gtest_tests": [
       {
-        "override_isolate_target": "base_unittests",
         "swarming": {
           "can_use_on_swarming_builders": true,
           "dimension_sets": [
@@ -15,10 +14,6 @@
         "test": "base_unittests"
       },
       {
-        "override_compile_targets": [
-          "chrome_public_test_apk"
-        ],
-        "override_isolate_target": "chrome_public_test_apk",
         "swarming": {
           "can_use_on_swarming_builders": true,
           "dimension_sets": [
@@ -32,7 +27,6 @@
         "test": "chrome_public_test_apk"
       },
       {
-        "override_isolate_target": "content_browsertests",
         "swarming": {
           "can_use_on_swarming_builders": true,
           "dimension_sets": [
@@ -46,7 +40,6 @@
         "test": "content_browsertests"
       },
       {
-        "override_isolate_target": "content_unittests",
         "swarming": {
           "can_use_on_swarming_builders": true,
           "dimension_sets": [
@@ -60,7 +53,6 @@
         "test": "content_unittests"
       },
       {
-        "override_isolate_target": "net_unittests",
         "swarming": {
           "can_use_on_swarming_builders": true,
           "dimension_sets": [
@@ -74,7 +66,6 @@
         "test": "net_unittests"
       },
       {
-        "override_isolate_target": "unit_tests",
         "swarming": {
           "can_use_on_swarming_builders": true,
           "dimension_sets": [
@@ -88,10 +79,6 @@
         "test": "unit_tests"
       },
       {
-        "override_compile_targets": [
-          "webview_instrumentation_test_apk"
-        ],
-        "override_isolate_target": "webview_instrumentation_test_apk",
         "swarming": {
           "can_use_on_swarming_builders": true,
           "dimension_sets": [
@@ -109,7 +96,6 @@
   "Android N5X Swarm": {
     "gtest_tests": [
       {
-        "override_isolate_target": "base_unittests",
         "swarming": {
           "can_use_on_swarming_builders": true,
           "dimension_sets": [
@@ -122,10 +108,6 @@
         "test": "base_unittests"
       },
       {
-        "override_compile_targets": [
-          "chrome_public_test_apk"
-        ],
-        "override_isolate_target": "chrome_public_test_apk",
         "swarming": {
           "can_use_on_swarming_builders": true,
           "dimension_sets": [
@@ -139,7 +121,6 @@
         "test": "chrome_public_test_apk"
       },
       {
-        "override_isolate_target": "content_browsertests",
         "swarming": {
           "can_use_on_swarming_builders": true,
           "dimension_sets": [
@@ -153,7 +134,6 @@
         "test": "content_browsertests"
       },
       {
-        "override_isolate_target": "content_unittests",
         "swarming": {
           "can_use_on_swarming_builders": true,
           "dimension_sets": [
@@ -167,7 +147,6 @@
         "test": "content_unittests"
       },
       {
-        "override_isolate_target": "net_unittests",
         "swarming": {
           "can_use_on_swarming_builders": true,
           "dimension_sets": [
@@ -181,7 +160,6 @@
         "test": "net_unittests"
       },
       {
-        "override_isolate_target": "unit_tests",
         "swarming": {
           "can_use_on_swarming_builders": true,
           "dimension_sets": [
@@ -195,10 +173,6 @@
         "test": "unit_tests"
       },
       {
-        "override_compile_targets": [
-          "webview_instrumentation_test_apk"
-        ],
-        "override_isolate_target": "webview_instrumentation_test_apk",
         "swarming": {
           "can_use_on_swarming_builders": true,
           "dimension_sets": [