Adding product characteristic for Android Auto Embedded that can be used to customize the AAE specific system.

Test: Manual
Bug: 112153059, 110711655
Change-Id: I49707497b8c5c053f5b4f33f478f4dcd3d07b447
(cherry picked from commit ce079bcab6c4555c77237a065990736433d14032)
1 file changed