Use 'make all' in LITE Travis configuration (#6834)

Summary:
So that we don't miss LITE compilation errors in tests
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6834

Reviewed By: anand1976

Differential Revision: D21503227

Pulled By: pdillinger

fbshipit-source-id: 3b2fdf3c4d395354d0ababac06da32addbafb3a5

.travis.yml

@@ -269,7 +269,7 @@ script:
       OPT=-DTRAVIS V=1 make rocksdbjava jtest
       ;;
     lite_build)
-      OPT='-DTRAVIS -DROCKSDB_LITE' V=1 make -j4 static_lib tools
+      OPT='-DTRAVIS -DROCKSDB_LITE' V=1 make -j4 all
       ;;
     examples)
       OPT=-DTRAVIS V=1 make -j4 static_lib && cd examples && make -j4