Update git submodules

* Update docs/submodules/music.git from branch 'master'
  to d02fd182c7792f83de25303554e90c73e13c4439
  - Merge "Sonar vulnerability fixes in MusicDataStoreHandle"
  - Sonar vulnerability fixes in MusicDataStoreHandle

    Removed unnecessary imports.
    Added private constructor for static
    utility class.

    Change-Id: I2e41ba263194dbb3e7e6ae70074c85bfd69b7ab1
    Issue-ID: MUSIC-335
    Signed-off-by: Robert Bogacki <r.bogacki@samsung.com>

diff --git a/docs/submodules/music.git b/docs/submodules/music.git
index 439b06d..d02fd18 160000 (submodule)
--- a/docs/submodules/music.git
+++ b/docs/submodules/music.git
@@ -1 +1 @@
-Subproject commit 439b06ddffcf1ad65df967ad3f663e0095cf6b33
+Subproject commit d02fd182c7792f83de25303554e90c73e13c4439