Fix module-file name collisions

Bazel doesn't allow a module and file with the same name.

Bug: 198619163
Test: m ime, verified it was still installed to out/target/product/emulator64_x86_64/system/bin/ime and not ime.sh
Change-Id: I214e190e159a7aff9149e77146d1a493992e885d
diff --git a/cmds/dpm/Android.bp b/cmds/dpm/Android.bp
index 6819d09..29bee49 100644
--- a/cmds/dpm/Android.bp
+++ b/cmds/dpm/Android.bp
@@ -20,5 +20,5 @@
 
 sh_binary {
     name: "dpm",
-    src: "dpm",
+    src: "dpm.sh",
 }
diff --git a/cmds/dpm/dpm b/cmds/dpm/dpm.sh
similarity index 100%
rename from cmds/dpm/dpm
rename to cmds/dpm/dpm.sh