Make package installer a sequence of alert-dialogs.
To make sure the dialog does not change height a single content for all
steps of the sequence. We just unhide the view that should actually be
shown.
Also added a night-mode theme.
Test: Manually uninstalled, installed and update package.
atest CtsNoPermissionTestCases
CtsNoPermissionTestCases25
CtsPackageInstallTestCases
CtsPackageUninstallTestCases
CtsPackageInstallerTapjackingTestCases
Change-Id: I890bb1f2697df3af87b6cb65e460f611334523ee
18 files changed