Support a dex file without an extension.

For such a dex file, just append ".odex" to the filename.

Bug: 295161587
Test: atest art_standalone_runtime_tests
Test: atest CtsCompilationTestCases
Change-Id: Ibf07811d18105197818aa36ccae7588f9713c142
Merged-In: Ibf07811d18105197818aa36ccae7588f9713c142
2 files changed