Make binder shrinker static and fix null dereference

This patch set makes binder shrinker static and fixes the null pointer dereference in kernel debug message in binder_alloc.c. The earlier patches from this email thread ("android: binder: Remove unused vma argument" and "android: binder: Remove unused vma argument") need to be applied before these

Make binder shrinker static and fix null dereference

This patch set makes binder shrinker static and fixes the null pointer dereference in kernel debug message in binder_alloc.c. The earlier patches from this email thread ("android: binder: Remove unused vma argument" and "android: binder: Remove unused vma argument") need to be applied before these