Merge "Moving IS_DEBUG_DEVICE to a compile time flag for better proguard support" into tm-qpr-dev am: ae030217db am: 68cf24e532 am: 12b79e6cbf

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/21550341

Change-Id: Iad247a80df62c0351f26d94f41b85a93d81a2cc6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>