gpu: ion: Switch max num_heaps to 16 to work around an issue elsewere
gpu: ion: Switch max num_heaps to 16 to work around an issue elsewere

Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>

Change-Id: I3bcbc9c424086f5921a1641afeb16040deffcece

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas