Specified /bin/bash for Android scripts.

[ Merge of http://go/wvgerrit/165139 ]

Changed the specified shell program used to execute our team's Android
scripts to bash.

Bug: 266891333
Test: ./build_all_unit_tests.sh
Change-Id: Id6fc8e4db10a71e9f17fc48a52a4883331e908d3

libwvdrmengine/build_all_unit_tests.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 set -e
 
@@ -23,7 +23,7 @@ while getopts "j:s:" opt; do
 done
 
 # Define the relevant aliases
-. $ANDROID_BUILD_TOP/build/envsetup.sh
+source $ANDROID_BUILD_TOP/build/envsetup.sh
 
 # Build all the targets
 # This list is slightly longer than the one in run_all_unit_tests.sh because

libwvdrmengine/build_and_run_all_unit_tests.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # Build the tests using build_all_unit_tests.sh
 cd $ANDROID_BUILD_TOP/vendor/widevine/libwvdrmengine

libwvdrmengine/move_widevine_data.sh

@@ -1,4 +1,4 @@
-#!/system/bin/sh
+#!/bin/bash
 
 DEST_PATH="/data/vendor/mediadrm"
 FILES_MOVED="/data/vendor/mediadrm/files_moved"

libwvdrmengine/run_all_unit_tests.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # Read arguments in case the user wants to copy files to a specific
 # android device by providing a serial number

libwvdrmengine/run_gts_and_cts_tests.sh

@@ -1,4 +1,4 @@
-#/bin/bash
+#!/bin/bash
 
 # Helper script to use atest to run the MediaDrm CTS and GTS tests
 

libwvdrmengine/run_reboot_test.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # Read arguments in case the user wants to copy files to a specific
 # android device by providing a serial number