[automerger skipped] Revert "Adds caller check to getAllPackages()" am:...

[automerger skipped] Revert "Adds caller check to getAllPackages()" am: 8d900812 -s ours am: 2db12a46 -s ours am: d1c38797 -s ours

am skip reason: Merged-In I77460ae19a4d41151577646441f11e2eddbb741a with SHA-1 9b694ef4 is already in history. Merged-In was found from reverted change.

Reverted change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13618271

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13856274

Change-Id: Ib547c7fae128b15521d20ffafcba070c9076783c