[infra] Move Android and GPU maps into gen_tasks.go.

Bug: skia:6637
No-Try: true
Change-Id: I1aa47be9d039e8396f8bbf4e1c7e134fe258a1ce
Reviewed-on: https://skia-review.googlesource.com/19095
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Ben Wagner <benjaminwagner@google.com>
diff --git a/.gitignore b/.gitignore
index ec250f1..0456db8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,6 +16,7 @@
 bower_components
 common
 imgui.ini
+infra/bots/gen_tasks_aux.go
 infra/bots/tools/luci-go/linux64/cipd
 infra/bots/tools/luci-go/linux64/isolate
 infra/bots/tools/luci-go/mac64/cipd