[automerger skipped] [SP26.2] add a method in NetworkStats that removes empty entries am: d81034383d am: f3c0573441 -s ours am: 99f9ef95c3 -s ours am: 989815d43e -s ours
am skip reason: Change-Id I40a76935d55712b8083ee1e17e137a8a4ef5e029 with SHA-1 5d9bc0c75e is in history
Change-Id: Iaab196361b347fe713bfe3498e822b3183b39455
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