[PM] Add PackageInstaller CUJ test case (5/N)

- Check the installing dialog for installation via intent to reduce
  the test time
- Reduce the value of timeoutMs for checking GPP dialog to reduce
  the test time

Bug: 344593485
Bug: 332323025
Test: atest CtsPackageInstallerCUJTestCases
Change-Id: Ie9c976a873269cf6a159df09d4df817c92979469
3 files changed