* changes:
Move fuzzer's CollectAllSharedDependencies into GenerateAndroidBuildActions
Support AllowMissingDependencies in prebuilt_apex modules
Support AllowMissingDependencies for apex dependencies
Add AllowMissingDependencies support for prebuilt_etc module with no src property
Make OutputFileForModule work for AllowMissingDependencies
Fix panics when target arch is riscv64