ANDROID: Update the ABI symbol list

Adding the following symbols:
  - dma_fence_enable_sw_signaling
  - dma_fence_unwrap_first
  - __dma_fence_unwrap_merge
  - dma_fence_unwrap_next

3 function symbol(s) added
  'struct dma_fence* __dma_fence_unwrap_merge(unsigned int, struct dma_fence**, struct dma_fence_unwrap*)'
  'struct dma_fence* dma_fence_unwrap_first(struct dma_fence*, struct dma_fence_unwrap*)'
  'struct dma_fence* dma_fence_unwrap_next(struct dma_fence_unwrap*)'

Bug: 316212868
Change-Id: I41a4d906e98c983c4b612f65127bd7ef7ac5cb85
Signed-off-by: John Scheible <johnscheible@google.com>