Retry Linux_android_emu tests in presubmit like they are in postsubmit (flutter#153369)

To help keep rolls unblocked while the flakiness of these tests is
investigated.

Author: zanderso

.ci.yaml

@@ -407,6 +407,7 @@ targets:
       tags: >
         ["framework","hostonly","linux"]
       task_name: android_views
+      presubmit_max_attempts: "2"
     timeout: 60
 
   - name: Linux_android_emu_34 android views
@@ -1338,6 +1339,7 @@ targets:
         [
           {"dependency": "goldctl", "version": "git_revision:720a542f6fe4f92922c3b8f0fdcc4d2ac6bb83cd"}
         ]
+      presubmit_max_attempts: "2"
 
   - name: Linux_android_emu_34 flutter_driver_android_test
     recipe: flutter/flutter_drone
@@ -2082,6 +2084,7 @@ targets:
       tags: >
         ["devicelab", "linux"]
       task_name: android_defines_test
+      presubmit_max_attempts: "2"
 
   - name: Linux_android_emu_34 android_defines_test
     recipe: devicelab/devicelab_drone
@@ -2520,6 +2523,7 @@ targets:
       tags: >
         ["devicelab", "linux"]
       task_name: external_textures_integration_test
+      presubmit_max_attempts: "2"
 
   - name: Linux_android_emu_34 external_textures_integration_test
     recipe: devicelab/devicelab_drone