Add "owngrep" shell utility.

Bug: 132612223
Test: manual
Change-Id: Ibe27e419caaf4ebcbb5d48ab50cc71730c320e1c
diff --git a/envsetup.sh b/envsetup.sh
index 0392e86..40f7705 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -23,6 +23,7 @@
 - resgrep:    Greps on all local res/*.xml files.
 - mangrep:    Greps on all local AndroidManifest.xml files.
 - mgrep:      Greps on all local Makefiles and *.bp files.
+- owngrep:    Greps on all local OWNERS files.
 - sepgrep:    Greps on all local sepolicy files.
 - sgrep:      Greps on all local source files.
 - godir:      Go to the directory containing a file.
@@ -995,6 +996,12 @@
         -exec grep --color -n "$@" {} +
 }
 
+function owngrep()
+{
+    find . -name .repo -prune -o -name .git -prune -o -path ./out -prune -o -type f -name 'OWNERS' \
+        -exec grep --color -n "$@" {} +
+}
+
 function sepgrep()
 {
     find . -name .repo -prune -o -name .git -prune -o -path ./out -prune -o -name sepolicy -type d \