hg: openjfx/jfx-dev/rt: 8222883: Ensemble: Update version of Lucene to 7.7.1

[kevin.rushforth at oracle.com]

Changeset: 1f0bc849baff
Author:    kcr
Date:      2019-05-20 10:11 -0700
URL:       http://hg.openjdk.java.net/openjfx/jfx-dev/rt/rev/1f0bc849baff

8222883: Ensemble: Update version of Lucene to 7.7.1
Reviewed-by: aghaisas

! apps/samples/.classpath
+ apps/samples/Ensemble8/UPDATING-lucene.txt
! apps/samples/Ensemble8/build.gradle
! apps/samples/Ensemble8/build.xml
! apps/samples/Ensemble8/legal/lucene.md
! apps/samples/Ensemble8/nbproject/project.properties
! apps/samples/Ensemble8/src/generated/resources/ensemble/search/index/_0.cfe
! apps/samples/Ensemble8/src/generated/resources/ensemble/search/index/_0.cfs
! apps/samples/Ensemble8/src/generated/resources/ensemble/search/index/_0.si
! apps/samples/Ensemble8/src/generated/resources/ensemble/search/index/listAll.txt
! apps/samples/Ensemble8/src/generated/resources/ensemble/search/index/segments_1
! build.gradle