Update names of dynamic power saver mode APIs

There was some confusion caused by the names so this CL
changes them to make the differentiation more clear hopefully.

Test: robotests pass, build runs, functionality of clients intact
Bug: 126944845
Change-Id: I626dd8e38c59fb5c061e4d0fdcf8c81701c459a3
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index 6fb4744..aba836d 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -129,7 +129,7 @@
                     Settings.Global.AUTOFILL_LOGGING_LEVEL,
                     Settings.Global.AUTOFILL_MAX_PARTITIONS_SIZE,
                     Settings.Global.AUTOFILL_MAX_VISIBLE_DATASETS,
-                    Settings.Global.AUTOMATIC_POWER_SAVER_MODE,
+                    Settings.Global.AUTOMATIC_POWER_SAVE_MODE,
                     Settings.Global.BACKGROUND_ACTIVITY_STARTS_ENABLED,
                     Settings.Global.BACKGROUND_ACTIVITY_STARTS_PACKAGE_NAMES_WHITELIST,
                     Settings.Global.BATTERY_CHARGING_STATE_UPDATE_DELAY,