Implements GNSS satellite blacklist

Bug: 38269641

Test: m -j ROBOTEST_FILTER=GnssSatelliteBlacklistHelperTest RunFrameworksServicesRoboTests
Test: atest SettingsBackupTest
Test: Tested with adb on device

Change-Id: Ifaa330bf74353ea5c8826f0000d1935258b8dbf2
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 98d8666..c179344 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -12541,6 +12541,19 @@
          */
          public static final String SWAP_ENABLED = "swap_enabled";
 
+        /**
+         * Blacklist of GNSS satellites.
+         *
+         * This is a list of integers separated by commas to represent pairs of (constellation,
+         * svid). Thus, the number of integers should be even.
+         *
+         * E.g.: "3,0,5,24" denotes (constellation=3, svid=0) and (constellation=5, svid=24) are
+         * blacklisted. Note that svid=0 denotes all svids in the
+         * constellation are blacklisted.
+         *
+         * @hide
+         */
+        public static final String GNSS_SATELLITE_BLACKLIST = "gnss_satellite_blacklist";
     }
 
     /**
diff --git a/core/proto/android/providers/settings/global.proto b/core/proto/android/providers/settings/global.proto
index b5303c8..05686a0 100644
--- a/core/proto/android/providers/settings/global.proto
+++ b/core/proto/android/providers/settings/global.proto
@@ -451,6 +451,7 @@
         // If set to 1, {@link Secure#LOCATION_MODE} will be set to {@link
         // Secure#LOCATION_MODE_OFF} temporarily for all users.
         optional SettingProto global_kill_switch = 5 [ (android.privacy).dest = DEST_AUTOMATIC ];
+        optional SettingProto gnss_satellite_blacklist = 6 [ (android.privacy).dest = DEST_AUTOMATIC ];
     }
     optional Location location = 69;
 
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index 002c9e2..b1936b9 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -239,6 +239,7 @@
                     Settings.Global.GLOBAL_HTTP_PROXY_HOST,
                     Settings.Global.GLOBAL_HTTP_PROXY_PAC,
                     Settings.Global.GLOBAL_HTTP_PROXY_PORT,
+                    Settings.Global.GNSS_SATELLITE_BLACKLIST,
                     Settings.Global.GPRS_REGISTER_CHECK_PERIOD_MS,
                     Settings.Global.HDMI_CONTROL_AUTO_DEVICE_OFF_ENABLED,
                     Settings.Global.HDMI_CONTROL_AUTO_WAKEUP_ENABLED,