🎱 Add test runner scripts for instrumentation tests

webrtc/api/api_tests.gyp

Index: webrtc/api/api_tests.gyp
diff --git a/webrtc/api/api_tests.gyp b/webrtc/api/api_tests.gyp
index b7cbd687ad9c719c2bd3adcb60ada4a4f37ce491..7cefd135b6e29f8732ce37848446026cb8b51d9f 100644
--- a/webrtc/api/api_tests.gyp
+++ b/webrtc/api/api_tests.gyp
@@ -131,9 +131,14 @@
             'resource_dir': 'androidtests/res',
             'native_lib_target': 'libjingle_peerconnection_so',
             'is_test_apk': 1,
+            'test_type': 'instrumentation',
+            'tested_apk_path': '',
             'never_lint': 1,
           },
-          'includes': [ '../../build/java_apk.gypi' ],
+          'includes': [
+            '../../build/java_apk.gypi',
+            '../../build/android/test_runner.gypi',
+          ],
         },
       ],  # targets
     }],  # OS=="android"