Add missing "other" strings for RelativeDateTimeFormatter

The absence of "other" causes RelativeDateTimeFormatter to throw an
exception when pre-caching the strings.

Bug: 25821045
Change-Id: Ie59a2f2b6a53e1edff864c6b03b2887799f79e90
diff --git a/icu4c/source/data/locales/en_GB.txt b/icu4c/source/data/locales/en_GB.txt
index a4f64fa..29e8f2a 100644
--- a/icu4c/source/data/locales/en_GB.txt
+++ b/icu4c/source/data/locales/en_GB.txt
@@ -119,9 +119,11 @@
             relativeTime{
                 future{
                     one{"in {0} mo"}
+                    other{"in {0} mo"}
                 }
                 past{
                     one{"{0} mo ago"}
+                    other{"{0} mo ago"}
                 }
             }
         }
@@ -143,9 +145,11 @@
             relativeTime{
                 future{
                     one{"in {0} qtr"}
+                    other{"in {0} qtr"}
                 }
                 past{
                     one{"{0} qtr ago"}
+                    other{"{0} qtr ago"}
                 }
             }
         }
@@ -192,6 +196,7 @@
             relativeTime{
                 future{
                     one{"in {0} wk"}
+                    other{"in {0} wk"}
                 }
                 past{
                     one{"{0} wk ago"}
@@ -216,9 +221,11 @@
             relativeTime{
                 future{
                     one{"in {0} yr"}
+                    other{"in {0} yr"}
                 }
                 past{
                     one{"{0} yr ago"}
+                    other{"{0} yr ago"}
                 }
             }
         }
diff --git a/icu4c/source/stubdata/icudt56l.dat b/icu4c/source/stubdata/icudt56l.dat
index e8937d7..1d1e790 100644
--- a/icu4c/source/stubdata/icudt56l.dat
+++ b/icu4c/source/stubdata/icudt56l.dat
Binary files differ
diff --git a/icu4j/main/shared/data/icudata.jar b/icu4j/main/shared/data/icudata.jar
index 034dc34..29b30f5 100644
--- a/icu4j/main/shared/data/icudata.jar
+++ b/icu4j/main/shared/data/icudata.jar
Binary files differ
diff --git a/icu4j/main/shared/data/icutzdata.jar b/icu4j/main/shared/data/icutzdata.jar
index fa38fed..755bebc 100644
--- a/icu4j/main/shared/data/icutzdata.jar
+++ b/icu4j/main/shared/data/icutzdata.jar
Binary files differ