Generate blueprint with updated hidl-gen

- Updated Android.bp with latest hidl-gen for all HAL modules
- Add package root for HAL modules.

Change-Id: I2c5bd4b275eb0f29d330383afc49417230eacc8b

display/composer/1.0/Android.bp

@@ -2,7 +2,6 @@
 
 hidl_interface {
     name: "vendor.qti.hardware.display.composer@1.0",
-    owner: "qti",
     root: "vendor.qti.hardware.display",
     srcs: [
         "IQtiComposer.hal",

display/composer/Android.bp

@@ -1,3 +0,0 @@
-subdirs = [
-    "1.0",
-]