Validate dex paths and class loader contexts reported by apps.

Invalid dex paths and class loader contexts are considered as fatal
errors. We should not let apps trigger those errors.

Bug: 295271514
Test: atest CtsCompilationTestCases
Change-Id: I0431da3db024f77623d559eafe3b144ef532d31f
Merged-In: I0431da3db024f77623d559eafe3b144ef532d31f
5 files changed