Revert "[Bugfix] Add reading timeout when waiting for the reply of an application zygote."

This reverts commit 78aae53e.

Reason for revert: DroidMonitor:triggered revert due to breakage https://android-build.googleplex.com/builds/tests/view?testResultId=TR95728429014952829&invocationId=I79800010118530753

Bug: b/263202138

Change-Id: I27e039ef8379752a6e71e8155dc13624b93409be