Merge "Increase Zygote command buffer size to 32k." am: ef1cd8a1ca am: 25128ddbfd am: ce8fb94be4

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2009575

Change-Id: Iee7c8c60497242c4a801052e86050a7afdf51d78