Rename Night display to Night Light

Bug: 30069874
Bug: 29584858

Renames generic "Night display" to "Night Light." Also changes feature
description to emphasize suitability for reading at night.

Change-Id: Ib54a22d7683853d7aadf4fe48795aaaa990b0333
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 8c3532d..81476f1 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -2133,10 +2133,10 @@
     <!-- Sound & display settings screen, setting option summary to enable adaptive brightness [CHAR LIMIT=100] -->
     <string name="auto_brightness_summary">Optimize brightness level for available light</string>
 
-    <!-- Night display screen, setting option name to enable night display. [CHAR LIMIT=30] -->
-    <string name="night_display_title">Night display</string>
-    <!-- Night display screen, description of night display feature. [CHAR LIMIT=NONE] -->
-    <string name="night_display_text">Night display tints your screen red at night. This makes it easier to look at your screen in dim light and may help you fall asleep more easily.</string>
+    <!-- Night display screen, setting option name to enable night display (renamed "Night Light" with title caps). [CHAR LIMIT=30] -->
+    <string name="night_display_title">Night Light</string>
+    <!-- Night display screen, description of night display feature (renamed "Night Light" with title caps). [CHAR LIMIT=NONE] -->
+    <string name="night_display_text">Night Light tints your screen red at night. This makes it easier to look at your screen or read in dim light, and may help you fall asleep more easily.</string>
     <!-- Night display screen, setting option name to configure whether night display turn on/off automatically. [CHAR LIMIT=30] -->
     <string name="night_display_auto_mode_title">Turn on automatically</string>
     <!-- Night display screen, setting option value for night display to *never* turn on/off automatically. [CHAR LIMIT=30] -->