Add more missing targets to gn_isolate_map.pyl.

This CL should fix the following error:
MBErr: target "android_examples_junit_tests" not found in //testing/buildbot/gn_isolate_map.pyl
target "android_sdk_junit_tests" not found in //testing/buildbot/gn_isolate_map.pyl

TBR=phoglund@webrtc.org

No-Try: True
Bug: webrtc:11262
Change-Id: Ib1d05401fc9170fe3025e971a1148c4e4cac9506
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/172083
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30930}
diff --git a/tools_webrtc/mb/gn_isolate_map.pyl b/tools_webrtc/mb/gn_isolate_map.pyl
index 3536d68..13d5613 100644
--- a/tools_webrtc/mb/gn_isolate_map.pyl
+++ b/tools_webrtc/mb/gn_isolate_map.pyl
@@ -27,6 +27,14 @@
     "label": "//:android_junit_tests",
     "type": "junit_test",
   },
+  "android_examples_junit_tests": {
+    "label": "//examples:android_examples_junit_tests",
+    "type": "junit_test",
+  },
+  "android_sdk_junit_tests": {
+    "label": "//sdk/android:android_sdk_junit_tests",
+    "type": "junit_test",
+  },
   "apprtcmobile_tests": {
     "label": "//examples:apprtcmobile_tests",
     "type": "raw",