api: promote next to go1.13

Change-Id: I394f942822a0db27418d3fbb25df6227ea199a5f
Reviewed-on: https://go-review.googlesource.com/c/go/+/183919
Run-TryBot: Andrew Bonventre <[email protected]>
TryBot-Result: Gobot Gobot <[email protected]>
Reviewed-by: Bryan C. Mills <[email protected]>

[release-branch.go1.12] go1.12.6

Change-Id: If156d9582ad5d76589e83ac00b4fa7f3b61f1502
Reviewed-on: https://go-review.googlesource.com/c/go/+/181658
Run-TryBot: Dmitri Shuralyov <[email protected]>
TryBot-Result: Gobot Gobot <[email protected]>
Reviewed-by: Katie Hockman <[email protected]>

[release-branch.go1.11] go1.11.11

Change-Id: If078ff25a79a18429e3383207eae32bb9c8aec12
Reviewed-on: https://go-review.googlesource.com/c/go/+/181657
Reviewed-by: Katie Hockman <[email protected]>
Reviewed-by: Filippo Valsorda <[email protected]>
Run-TryBot: Dmitri Shuralyov <[email protected]>
TryBot-Result: Gobot Gobot <[email protected]>

[release-branch.go1.12] go1.12.5

Change-Id: Ib253d4aafab3ad65b4ba666f4eeb8b2f245997a1
Reviewed-on: https://go-review.googlesource.com/c/go/+/175447
Run-TryBot: Andrew Bonventre <[email protected]>
Reviewed-by: Brad Fitzpatrick <[email protected]>
TryBot-Result: Gobot Gobot <[email protected]>

[release-branch.go1.11] go1.11.10

Change-Id: Id0cb0233c689fd97aa37870126d19b472bd1b85d
Reviewed-on: https://go-review.googlesource.com/c/go/+/175445
Run-TryBot: Andrew Bonventre <[email protected]>
Reviewed-by: Brad Fitzpatrick <[email protected]>
TryBot-Result: Gobot Gobot <[email protected]>

[release-branch.go1.12] go1.12.4

Change-Id: I4d1b5e00ab4480b4c5adeeb4f53ddfdfa3903b71
Reviewed-on: https://go-review.googlesource.com/c/go/+/171838
Run-TryBot: Andrew Bonventre <[email protected]>
TryBot-Result: Gobot Gobot <[email protected]>
Reviewed-by: Brad Fitzpatrick <[email protected]>

[release-branch.go1.11] go1.11.9

Change-Id: If4ab7c431f11a2d3db677b323dd85e0e8ce6de03
Reviewed-on: https://go-review.googlesource.com/c/go/+/171837
Run-TryBot: Andrew Bonventre <[email protected]>
TryBot-Result: Gobot Gobot <[email protected]>
Reviewed-by: Brad Fitzpatrick <[email protected]>

[release-branch.go1.12] go1.12.3

Change-Id: Iab946b7c903e3c30addc388900421a7ceb803f1c
Reviewed-on: https://go-review.googlesource.com/c/go/+/171149
Run-TryBot: Andrew Bonventre <[email protected]>
TryBot-Result: Gobot Gobot <[email protected]>
Reviewed-by: Andrew Bonventre <[email protected]>

[release-branch.go1.11] go1.11.8

Change-Id: Ie15c45050f817213b3f5955dc98b48a6cf2a6317
Reviewed-on: https://go-review.googlesource.com/c/go/+/171148
Run-TryBot: Andrew Bonventre <[email protected]>
TryBot-Result: Gobot Gobot <[email protected]>
Reviewed-by: Brad Fitzpatrick <[email protected]>

[release-branch.go1.12] go1.12.2

Change-Id: I07e4404196886b7754414726f25092cca39861a7
Reviewed-on: https://go-review.googlesource.com/c/go/+/170888
Run-TryBot: Brad Fitzpatrick <[email protected]>
Reviewed-by: Brad Fitzpatrick <[email protected]>