DO NOT MERGE: PAN: Always allocate in bta_pan_data_buf_ind_cback
Change I63b857d031c55d3a0754e4101e330843eb422b2a caused a double
free. Move the free call to pan_data_buf_ind_cb().
Free the buffer before every return in pan_data_buf_ind_cb.
Bug:
74950468
Test: manual tethering test with DUT sharing its connection
Change-Id: If4526f3042699581e2cdde79a362eef0f83768eb
Merged-In: If4526f3042699581e2cdde79a362eef0f83768eb
(cherry picked from commit
2e0deb1d135805b37697f0e02a55269c6cc500fe)
(cherry picked from commit
e04c8be75d115e5d241afe95148e0093ef8c72eb)