Replace dexopt shared libraries with class loader context

Pass the class loader context to dex2oat with --class-loader-context
instead of using the runtime -cp argument.

(cherry picked from commit 1d667613)

Test: adb shell cmd package compile a_split_test_apk
Bug: 38138251
Merged-In: I2e483969af8adf97291aa94f42e6da9ee5f1716b
Change-Id: I2e483969af8adf97291aa94f42e6da9ee5f1716b