Migrate predictive back flags to aconfig

Bug: 309545085
Flag: ACONFIG com.android.systemui.predictive_back_sysui DISABLED
Flag: ACONFIG com.android.systemui.predictive_back_animate_shade DISABLED
Flag: ACONFIG com.android.systemui.shade_allow_back_gesture DISABLED
Flag: ACONFIG com.android.systemui.predictive_back_bouncer_anim DISABLED
Test: atest BackActionInteractorTest
Test: atest CentralSurfacesImplTest
Test: atest NotificationPanelViewControllerBaseTest
Test: atest StatusBarKeyguardViewManagerTest
Test: Manual, i.e. testing build on device and verifying behaviour of flagged features
Change-Id: I940233b69957819445cd3efb46ee598a3414e3e8
diff --git a/packages/SystemUI/shared/Android.bp b/packages/SystemUI/shared/Android.bp
index 2b41178..3a26ebf 100644
--- a/packages/SystemUI/shared/Android.bp
+++ b/packages/SystemUI/shared/Android.bp
@@ -66,6 +66,7 @@
         "kotlinx_coroutines",
         "dagger2",
         "jsr330",
+        "com_android_systemui_shared_flags_lib",
     ],
     resource_dirs: [
         "res",