Do not clone extra Android repos by default

Change-Id: I755f377167464eca1f55c2a8f75b6267f6219f3d
13 jobs for morello/test-trigger in 284 minutes (queued for 1 second)
latest
Status Job ID Name Coverage
  Build Stage1
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build-firmware

00:04:37

passed #45770
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build-toolchain

01:51:45

failed #45759
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build-toolchain

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failed #45710
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build-toolchain

00:10:01

failed #45694
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build-toolchain

00:09:57

 
  Build Stage2
passed #45696
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build-android

01:06:16

passed #45697
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build-busybox

00:07:33

 
  Generate Test
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generate-test

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  Test
passed test

passed #45700
arm64 triggered
test-busybox

00:04:15

passed #45701
arm64 triggered
test-ubuntu

01:39:16

 
  Report To Trigger
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report_failure

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report_success

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