[automerger skipped] Merge "DO NOT MERGE Fix ImageWallpaper memory regression"...

[automerger skipped] Merge "DO NOT MERGE Fix ImageWallpaper memory regression" into qt-qpr1-dev am: 27393d9f -s ours am: 44ace27c -s ours am: e7287c57 -s ours am: 77c93c7d -s ours am: d553f6ad -s ours

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Change-Id: I2943cebeec2c9ae2d987282dffe6050bf5e89123