DO NOT MERGE: CDD annotations

CDD:5.9/C-1-2:C-1-2 MUST support the inter-app MIDI software transport (virtual MIDI devices)
Test:MidiEchoTest#testEchoMultipleMessages#testEchoBadBehavior#testEchoSmallMessages

3.8.8/C-1-2:MUST implement the screen pinning behavior and provide the user with a settings
menu to toggle the feature.

7.2.3/H-0-1/T-0-1,A-0-1: Must provide the HOME BACK and RECENT functions
KeyCharacterMapTest(),
KeyEventTest#testIsSystem()

9.2/C-0-2: Must support running multiple applications as the same Linux user ID,
provided that the applications are properly signed and constructed.

Test: AppSecurityTests#testSharedUidDifferentCerts
This test verifies that multiple applications with same uid cannot be installed

Test: make cts

Bug: 117652133

Change-Id: I055ca2bc5e2423ac0db007e19a259ba349f2bdba