Game Driver: Add a Settings.Global property for sphal libraries

This change add the GAME_DRIVER_SPHAL_LIBRARIES property to save the
list of sphal libraries assessible to Game Driver.

Bug: 124448366
Test: Build, flash and boot.
Change-Id: I7cb06df80f19d87f5fd13d7df3c991ceb5bdfb06
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index c57b609..bb5e8df 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -494,6 +494,7 @@
                     Settings.Global.GAME_DRIVER_BLACKLISTS,
                     Settings.Global.GAME_DRIVER_BLACKLIST,
                     Settings.Global.GAME_DRIVER_WHITELIST,
+                    Settings.Global.GAME_DRIVER_SPHAL_LIBRARIES,
                     Settings.Global.GLOBAL_SETTINGS_SHOW_ANGLE_IN_USE_DIALOG_BOX,
                     Settings.Global.GPU_DEBUG_LAYER_APP,
                     Settings.Global.ENABLE_GNSS_RAW_MEAS_FULL_TRACKING,