[PM] Add PackageInstaller CUJ test case (10/N)

- Add check for the title of installer dialog
- Update the label for checking the GPP dialog
- Add the version code to the test apps and use the same label in
  all test apps.

Flag: TEST_ONLY
Bug: 332323025
Test: atest CtsPackageInstallerCUJTestCases
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:52d71398ded664013ee6a65732064a9bb1629c64)
Merged-In: I3ce5f87db59c6770fbe0e55dbec57b308fe4a347
Change-Id: I3ce5f87db59c6770fbe0e55dbec57b308fe4a347
10 files changed