[DO NOT MERGE][CDM] Fix a security issue that allow 3p apps to skip prompt by setSkipPrompt

Fix: 329230490

Test: CTS
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:71418ecfa539b99d9bb0053d1de5060040bdf02f)
Merged-In: I6e4dd33cbf98293d7efa0a40c0668d6c5242059a
Change-Id: I6e4dd33cbf98293d7efa0a40c0668d6c5242059a
1 file changed