Revert "graphics: Change vulkan driver name to vulkan.adreno"

Revert "Switch back to use vulkan.adreno.so"

Revert "Set ro.hardware.vulkan property"

Revert submission 11818384-pa-1697236-sm7150-rvc-dev-gfx

Reason for revert: bug: 159008540, bug: 158975253, bug: 158970021
Reverted Changes:
Iebf49ee52:Add build rules for new graphics drivers
I8393c46bc:sm7150: 06/09/2020 graphics driver updates for LA....
I6b2455410:Set ro.hardware.vulkan property
I5597320f7:graphics: Change vulkan driver name to vulkan.adre...
I035298d74:Switch back to use vulkan.adreno.so

Change-Id: I03fca7fbe54f7f00ef044153ef824d97c0295d99
(cherry picked from commit c26cf952634e855cb94a465f4e5972d44b89fd43)
diff --git a/vendor/qcom/sm7150/file_contexts b/vendor/qcom/sm7150/file_contexts
index b3a301d..7a05340 100644
--- a/vendor/qcom/sm7150/file_contexts
+++ b/vendor/qcom/sm7150/file_contexts
@@ -41,4 +41,4 @@
 /dev/block/platform/soc/1d84000\.ufshc/by-name/multiimgoem_[ab]    u:object_r:custom_ab_block_device:s0
 
 /vendor/lib(64)?/hw/gralloc\.sm6150\.so                             u:object_r:same_process_hal_file:s0
-/vendor/lib(64)?/hw/vulkan\.adreno\.so                              u:object_r:same_process_hal_file:s0
+/vendor/lib(64)?/hw/vulkan\.sm6150\.so                              u:object_r:same_process_hal_file:s0