Environment variable that overrides DEFAULT_PACKAGE_INSTALL_TIMEOUT_MS, in milliseconds.
A first install on a cold package store or a slow registry can legitimately take many minutes;
an app whose packages were not installed is left Disabled, so a ceiling that is too low turns a
slow-but-healthy install into a broken one.
Environment variable that overrides DEFAULT_PACKAGE_INSTALL_TIMEOUT_MS, in milliseconds. A first install on a cold package store or a slow registry can legitimately take many minutes; an app whose packages were not installed is left Disabled, so a ceiling that is too low turns a slow-but-healthy install into a broken one.